57775920 has 40 divisors (see below), whose sum is σ = 179106096. Its totient is φ = 15406848.

The previous prime is 57775891. The next prime is 57775943. The reversal of 57775920 is 2957775.

57775920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120127 + ... + 120606.

Almost surely, 2^57775920 is an apocalyptic number.

It is an amenable number.

57775920 is an abundant number, since it is smaller than the sum of its proper divisors (121330176).

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

57775920 is a wasteful number, since it uses less digits than its factorization.

57775920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240749 (or 240743 counting only the distinct ones).

The product of its (nonzero) digits is 154350, while the sum is 42.

The square root of 57775920 is about 7601.0472962612. The cubic root of 57775920 is about 386.5885229851.

The spelling of 57775920 in words is "fifty-seven million, seven hundred seventy-five thousand, nine hundred twenty".