57079561 has 12 divisors (see below), whose sum is σ = 72435600. Its totient is φ = 44477160.

The previous prime is 57079549. The next prime is 57079579. The reversal of 57079561 is 16597075.

It is a de Polignac number, because none of the positive numbers 2^k-57079561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57079501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52411 + ... + 53488.

It is an arithmetic number, because the mean of its divisors is an integer number (6036300).

Almost surely, 2^57079561 is an apocalyptic number.

It is an amenable number.

57079561 is a deficient number, since it is larger than the sum of its proper divisors (15356039).

57079561 is a wasteful number, since it uses less digits than its factorization.

57079561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105924 (or 105917 counting only the distinct ones).

The product of its (nonzero) digits is 66150, while the sum is 40.

The square root of 57079561 is about 7555.1016538495. The cubic root of 57079561 is about 385.0290887112.

The spelling of 57079561 in words is "fifty-seven million, seventy-nine thousand, five hundred sixty-one".