57042408 has 32 divisors (see below), whose sum is σ = 150112800. Its totient is φ = 18013248.

The previous prime is 57042407. The next prime is 57042421. The reversal of 57042408 is 80424075.

It is not an unprimeable number, because it can be changed into a prime (57042407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62091 + ... + 63002.

It is an arithmetic number, because the mean of its divisors is an integer number (4691025).

Almost surely, 2^57042408 is an apocalyptic number.

It is an amenable number.

57042408 is an abundant number, since it is smaller than the sum of its proper divisors (93070392).

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

57042408 is a wasteful number, since it uses less digits than its factorization.

57042408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125121 (or 125117 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 57042408 is about 7552.6424514868. The cubic root of 57042408 is about 384.9455322957.

The spelling of 57042408 in words is "fifty-seven million, forty-two thousand, four hundred eight".