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54960031 = 7171932393
BaseRepresentation
bin1101000110100…
…1111110011111
310211102020222201
43101221332133
5103032210111
65241552331
71235103220
oct321517637
9124366881
1054960031
1129029315
12164a56a7
13b503c39
147429247
154c596c1
hex3469f9f

54960031 has 16 divisors (see below), whose sum is σ = 66878784. Its totient is φ = 44089344.

The previous prime is 54960029. The next prime is 54960043. The reversal of 54960031 is 13006945.

54960031 is nontrivially palindromic in base 14.

It is a cyclic number.

It is not a de Polignac number, because 54960031 - 21 = 54960029 is a prime.

It is a super-2 number, since 2×549600312 = 6041210015041922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54960001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21771 + ... + 24163.

It is an arithmetic number, because the mean of its divisors is an integer number (4179924).

Almost surely, 254960031 is an apocalyptic number.

54960031 is a deficient number, since it is larger than the sum of its proper divisors (11918753).

54960031 is a wasteful number, since it uses less digits than its factorization.

54960031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2610.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 54960031 is about 7413.5032879200. The cubic root of 54960031 is about 380.2031024145.

Adding to 54960031 its reverse (13006945), we get a palindrome (67966976).

The spelling of 54960031 in words is "fifty-four million, nine hundred sixty thousand, thirty-one".

Divisors: 1 7 17 119 193 1351 2393 3281 16751 22967 40681 284767 461849 3232943 7851433 54960031