57561079 has 8 divisors (see below), whose sum is σ = 59766912. Its totient is φ = 55377120.

The previous prime is 57561043. The next prime is 57561083. The reversal of 57561079 is 97016575.

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 57561079 - 2¹¹ = 57559031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57561029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4 + ... + 10729.

It is an arithmetic number, because the mean of its divisors is an integer number (7470864).

Almost surely, 2^57561079 is an apocalyptic number.

57561079 is a deficient number, since it is larger than the sum of its proper divisors (2205833).

57561079 is a wasteful number, since it uses less digits than its factorization.

57561079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10937.

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

The square root of 57561079 is about 7586.9018050849. The cubic root of 57561079 is about 386.1087485658.

The spelling of 57561079 in words is "fifty-seven million, five hundred sixty-one thousand, seventy-nine".