54685512 has 48 divisors (see below), whose sum is σ = 169266240. Its totient is φ = 15624288.

The previous prime is 54685493. The next prime is 54685523. The reversal of 54685512 is 21558645.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53748 + ... + 54755.

It is an arithmetic number, because the mean of its divisors is an integer number (3526380).

Almost surely, 2^54685512 is an apocalyptic number.

It is an amenable number.

54685512 is an abundant number, since it is smaller than the sum of its proper divisors (114580728).

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

54685512 is a wasteful number, since it uses less digits than its factorization.

54685512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108522 (or 108515 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

The square root of 54685512 is about 7394.9653143203. The cubic root of 54685512 is about 379.5690220086.

The spelling of 54685512 in words is "fifty-four million, six hundred eighty-five thousand, five hundred twelve".