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55755677 = 471186291
BaseRepresentation
bin1101010010110…
…0001110011101
310212220200102002
43110230032131
5103233140202
65311012045
71244625665
oct324541635
9125820362
1055755677
112952207a
121680a025
13b722133
1475951a5
154d65302
hex352c39d

55755677 has 4 divisors (see below), whose sum is σ = 56942016. Its totient is φ = 54569340.

The previous prime is 55755659. The next prime is 55755691. The reversal of 55755677 is 77655755.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55755677 - 212 = 55751581 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47), and also a Moran number because the ratio is a prime number: 1186291 = 55755677 / (5 + 5 + 7 + 5 + 5 + 6 + 7 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55755607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 593099 + ... + 593192.

It is an arithmetic number, because the mean of its divisors is an integer number (14235504).

Almost surely, 255755677 is an apocalyptic number.

It is an amenable number.

55755677 is a deficient number, since it is larger than the sum of its proper divisors (1186339).

55755677 is a wasteful number, since it uses less digits than its factorization.

55755677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186338.

The product of its digits is 1286250, while the sum is 47.

The square root of 55755677 is about 7466.9724118949. The cubic root of 55755677 is about 382.0290288878.

The spelling of 55755677 in words is "fifty-five million, seven hundred fifty-five thousand, six hundred seventy-seven".

Divisors: 1 47 1186291 55755677