57723057 has 16 divisors (see below), whose sum is σ = 97732480. Its totient is φ = 32984496.

The previous prime is 57723013. The next prime is 57723067. The reversal of 57723057 is 75032775.

57723057 is a `hidden beast` number, since 577 + 2 + 30 + 57 = 666.

It is not a de Polignac number, because 57723057 - 2⁶ = 57722993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57723067) 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, 152518 + ... + 152895.

It is an arithmetic number, because the mean of its divisors is an integer number (6108280).

Almost surely, 2^57723057 is an apocalyptic number.

It is an amenable number.

57723057 is a deficient number, since it is larger than the sum of its proper divisors (40009423).

57723057 is a wasteful number, since it uses less digits than its factorization.

57723057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305429 (or 305423 counting only the distinct ones).

The product of its (nonzero) digits is 51450, while the sum is 36.

The square root of 57723057 is about 7597.5691507218. The cubic root of 57723057 is about 386.4705818944.

The spelling of 57723057 in words is "fifty-seven million, seven hundred twenty-three thousand, fifty-seven".