57155704 has 16 divisors (see below), whose sum is σ = 107309520. Its totient is φ = 28539840.

The previous prime is 57155699. The next prime is 57155731. The reversal of 57155704 is 40755175.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 57155704.

It is a congruent number.

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, 2244 + ... + 10924.

It is an arithmetic number, because the mean of its divisors is an integer number (6706845).

Almost surely, 2^57155704 is an apocalyptic number.

It is an amenable number.

57155704 is a deficient number, since it is larger than the sum of its proper divisors (50153816).

57155704 is a wasteful number, since it uses less digits than its factorization.

57155704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9510 (or 9506 counting only the distinct ones).

The product of its (nonzero) digits is 24500, while the sum is 34.

The square root of 57155704 is about 7560.1391521585. The cubic root of 57155704 is about 385.2002196895.

The spelling of 57155704 in words is "fifty-seven million, one hundred fifty-five thousand, seven hundred four".