57492855 has 64 divisors (see below), whose sum is σ = 118379520. Its totient is φ = 25930368.

The previous prime is 57492839. The next prime is 57492859. The reversal of 57492855 is 55829475.

57492855 is a `hidden beast` number, since 574 + 9 + 28 + 55 = 666.

It is not a de Polignac number, because 57492855 - 2⁴ = 57492839 is a prime.

It is a Smith number, since the sum of its digits (45) 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 (45).

It is a self number, because there is not a number n which added to its sum of digits gives 57492855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57492859) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 78069 + ... + 78801.

It is an arithmetic number, because the mean of its divisors is an integer number (1849680).

Almost surely, 2^57492855 is an apocalyptic number.

57492855 is an abundant number, since it is smaller than the sum of its proper divisors (60886665).

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

57492855 is a wasteful number, since it uses less digits than its factorization.

57492855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837 (or 831 counting only the distinct ones).

The product of its digits is 504000, while the sum is 45.

The square root of 57492855 is about 7582.4043020667. The cubic root of 57492855 is about 385.9561437283.

The spelling of 57492855 in words is "fifty-seven million, four hundred ninety-two thousand, eight hundred fifty-five".