57649057 has 8 divisors (see below), whose sum is σ = 63009792. Its totient is φ = 52507200.

The previous prime is 57649027. The next prime is 57649069. The reversal of 57649057 is 75094675.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57649057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57649027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54169 + ... + 55222.

It is an arithmetic number, because the mean of its divisors is an integer number (7876224).

Almost surely, 2^57649057 is an apocalyptic number.

It is an amenable number.

57649057 is a deficient number, since it is larger than the sum of its proper divisors (5360735).

57649057 is a wasteful number, since it uses less digits than its factorization.

57649057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109439.

The product of its (nonzero) digits is 264600, while the sum is 43.

The square root of 57649057 is about 7592.6976102042. The cubic root of 57649057 is about 386.3053616494.

The spelling of 57649057 in words is "fifty-seven million, six hundred forty-nine thousand, fifty-seven".