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53775054 = 23219971621
BaseRepresentation
bin1100110100100…
…0101011001110
310202012001111200
43031020223032
5102231300204
65200330330
71222036404
oct315105316
9122161450
1053775054
1128399aa3
12160139a6
13b1aa778
1471db474
154ac3539
hex3348ace

53775054 has 48 divisors (see below), whose sum is σ = 123985680. Its totient is φ = 16796160.

The previous prime is 53775047. The next prime is 53775061. The reversal of 53775054 is 45057735.

53775054 is a `hidden beast` number, since 537 + 75 + 0 + 54 = 666.

53775054 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (53775047) and next prime (53775061).

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32364 + ... + 33984.

It is an arithmetic number, because the mean of its divisors is an integer number (2583035).

Almost surely, 253775054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53775054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61992840).

53775054 is an abundant number, since it is smaller than the sum of its proper divisors (70210626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53775054 is a wasteful number, since it uses less digits than its factorization.

53775054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745 (or 1742 counting only the distinct ones).

The product of its (nonzero) digits is 73500, while the sum is 36.

The square root of 53775054 is about 7333.1476188605. The cubic root of 53775054 is about 377.4507433941.

The spelling of 53775054 in words is "fifty-three million, seven hundred seventy-five thousand, fifty-four".

Divisors: 1 2 3 6 9 18 19 38 57 97 114 171 194 291 342 582 873 1621 1746 1843 3242 3686 4863 5529 9726 11058 14589 16587 29178 30799 33174 61598 92397 157237 184794 277191 314474 471711 554382 943422 1415133 2830266 2987503 5975006 8962509 17925018 26887527 53775054