57420788 has 12 divisors (see below), whose sum is σ = 104855520. Its totient is φ = 27462072.

The previous prime is 57420763. The next prime is 57420791. The reversal of 57420788 is 88702475.

It is a congruent number.

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, 311978 + ... + 312161.

It is an arithmetic number, because the mean of its divisors is an integer number (8737960).

Almost surely, 2^57420788 is an apocalyptic number.

It is an amenable number.

57420788 is a deficient number, since it is larger than the sum of its proper divisors (47434732).

57420788 is a wasteful number, since it uses less digits than its factorization.

57420788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624166 (or 624164 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 41.

The square root of 57420788 is about 7577.6505593752. The cubic root of 57420788 is about 385.7948116151.

The spelling of 57420788 in words is "fifty-seven million, four hundred twenty thousand, seven hundred eighty-eight".