57054636 has 36 divisors (see below), whose sum is σ = 147579432. Its totient is φ = 18575424.

The previous prime is 57054619. The next prime is 57054649. The reversal of 57054636 is 63645075.

57054636 is a `hidden beast` number, since 570 + 54 + 6 + 36 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a self number, because there is not a number n which added to its sum of digits gives 57054636.

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, 16881 + ... + 19976.

Almost surely, 2^57054636 is an apocalyptic number.

It is an amenable number.

57054636 is an abundant number, since it is smaller than the sum of its proper divisors (90524796).

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

57054636 is a wasteful number, since it uses less digits than its factorization.

57054636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36910 (or 36905 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 57054636 is about 7553.4519261064. The cubic root of 57054636 is about 384.9730368479.

57054636 divided by its sum of digits (36) gives a palindrome (1584851).

The spelling of 57054636 in words is "fifty-seven million, fifty-four thousand, six hundred thirty-six".