57700420 has 12 divisors (see below), whose sum is σ = 121170924. Its totient is φ = 23080160.

The previous prime is 57700417. The next prime is 57700439. The reversal of 57700420 is 2400775.

It can be written as a sum of positive squares in 2 ways, for example, as 39841344 + 17859076 = 6312^2 + 4226^2 .

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, 1442491 + ... + 1442530.

It is an arithmetic number, because the mean of its divisors is an integer number (10097577).

Almost surely, 2^57700420 is an apocalyptic number.

It is an amenable number.

57700420 is an abundant number, since it is smaller than the sum of its proper divisors (63470504).

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

57700420 is a wasteful number, since it uses less digits than its factorization.

57700420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2885030 (or 2885028 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 57700420 is about 7596.0792518246. The cubic root of 57700420 is about 386.4200551269.

The spelling of 57700420 in words is "fifty-seven million, seven hundred thousand, four hundred twenty".