57696420 has 48 divisors (see below), whose sum is σ = 168577920. Its totient is φ = 14716416.

The previous prime is 57696413. The next prime is 57696421. The reversal of 57696420 is 2469675.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (57696421) 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, 19525 + ... + 22284.

It is an arithmetic number, because the mean of its divisors is an integer number (3512040).

Almost surely, 2^57696420 is an apocalyptic number.

It is an amenable number.

57696420 is an abundant number, since it is smaller than the sum of its proper divisors (110881500).

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

57696420 is a wasteful number, since it uses less digits than its factorization.

57696420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41844 (or 41842 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 57696420 is about 7595.8159535365. The cubic root of 57696420 is about 386.4111255793.

The spelling of 57696420 in words is "fifty-seven million, six hundred ninety-six thousand, four hundred twenty".