57233657 has 8 divisors (see below), whose sum is σ = 63624960. Its totient is φ = 51126480.

The previous prime is 57233651. The next prime is 57233669. The reversal of 57233657 is 75633275.

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

It is a cyclic number.

It is not a de Polignac number, because 57233657 - 2⁸ = 57233401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57233657.

It is not an unprimeable number, because it can be changed into a prime (57233651) 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, 70607 + ... + 71412.

It is an arithmetic number, because the mean of its divisors is an integer number (7953120).

Almost surely, 2^57233657 is an apocalyptic number.

It is an amenable number.

57233657 is a deficient number, since it is larger than the sum of its proper divisors (6391303).

57233657 is a wasteful number, since it uses less digits than its factorization.

57233657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142063.

The product of its digits is 132300, while the sum is 38.

The square root of 57233657 is about 7565.2929222866. The cubic root of 57233657 is about 385.3752612557.

The spelling of 57233657 in words is "fifty-seven million, two hundred thirty-three thousand, six hundred fifty-seven".