57005544 has 16 divisors (see below), whose sum is σ = 142513920. Its totient is φ = 19001840.

The previous prime is 57005527. The next prime is 57005551. The reversal of 57005544 is 44550075.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1187592 + ... + 1187639.

It is an arithmetic number, because the mean of its divisors is an integer number (8907120).

Almost surely, 2^57005544 is an apocalyptic number.

It is an amenable number.

57005544 is an abundant number, since it is smaller than the sum of its proper divisors (85508376).

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

57005544 is a wasteful number, since it uses less digits than its factorization.

57005544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2375240 (or 2375236 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 30.

The square root of 57005544 is about 7550.2015867128. The cubic root of 57005544 is about 384.8625899689.

The spelling of 57005544 in words is "fifty-seven million, five thousand, five hundred forty-four".