57424068 has 36 divisors (see below), whose sum is σ = 156322348. Its totient is φ = 17668800.

The previous prime is 57424033. The next prime is 57424091. The reversal of 57424068 is 86042475.

57424068 is a `hidden beast` number, since 574 + 24 + 0 + 68 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 35070084 + 22353984 = 5922^2 + 4728^2 .

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 nialpdrome in base 13.

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, 60883 + ... + 61818.

Almost surely, 2^57424068 is an apocalyptic number.

It is an amenable number.

57424068 is an abundant number, since it is smaller than the sum of its proper divisors (98898280).

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

57424068 is a wasteful number, since it uses less digits than its factorization.

57424068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122724 (or 122719 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 57424068 is about 7577.8669822055. The cubic root of 57424068 is about 385.8021572875.

It can be divided in two parts, 574 and 24068, that added together give a palindrome (24642).

The spelling of 57424068 in words is "fifty-seven million, four hundred twenty-four thousand, sixty-eight".