57420996 has 48 divisors (see below), whose sum is σ = 137949504. Its totient is φ = 18579456.

The previous prime is 57420991. The next prime is 57421027. The reversal of 57420996 is 69902475.

It is not an unprimeable number, because it can be changed into a prime (57420991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132396 + ... + 132828.

It is an arithmetic number, because the mean of its divisors is an integer number (2873948).

Almost surely, 2^57420996 is an apocalyptic number.

It is an amenable number.

57420996 is an abundant number, since it is smaller than the sum of its proper divisors (80528508).

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

57420996 is a wasteful number, since it uses less digits than its factorization.

57420996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740 (or 738 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 57420996 is about 7577.6642839334. The cubic root of 57420996 is about 385.7952774465.

The spelling of 57420996 in words is "fifty-seven million, four hundred twenty thousand, nine hundred ninety-six".