56617379 has 16 divisors (see below), whose sum is σ = 69870528. Its totient is φ = 44675712.

The previous prime is 56617373. The next prime is 56617387. The reversal of 56617379 is 97371665.

It is a cyclic number.

It is not a de Polignac number, because 56617379 - 2¹² = 56613283 is a prime.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (56617373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50129 + ... + 51245.

It is an arithmetic number, because the mean of its divisors is an integer number (4366908).

Almost surely, 2^56617379 is an apocalyptic number.

56617379 is a deficient number, since it is larger than the sum of its proper divisors (13253149).

56617379 is a wasteful number, since it uses less digits than its factorization.

56617379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694.

The product of its digits is 238140, while the sum is 44.

The square root of 56617379 is about 7524.4520730748. The cubic root of 56617379 is about 383.9870578501.

The spelling of 56617379 in words is "fifty-six million, six hundred seventeen thousand, three hundred seventy-nine".