57623561 has 8 divisors (see below), whose sum is σ = 61801920. Its totient is φ = 53559792.

The previous prime is 57623549. The next prime is 57623581. The reversal of 57623561 is 16532675.

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-57623561 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57623521) 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, 27605 + ... + 29618.

It is an arithmetic number, because the mean of its divisors is an integer number (7725240).

Almost surely, 2^57623561 is an apocalyptic number.

It is an amenable number.

57623561 is a deficient number, since it is larger than the sum of its proper divisors (4178359).

57623561 is a wasteful number, since it uses less digits than its factorization.

57623561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57295.

The product of its digits is 37800, while the sum is 35.

The square root of 57623561 is about 7591.0184428705. The cubic root of 57623561 is about 386.2484038294.

The spelling of 57623561 in words is "fifty-seven million, six hundred twenty-three thousand, five hundred sixty-one".