56179959 has 8 divisors (see below), whose sum is σ = 81716352. Its totient is φ = 34048440.

The previous prime is 56179933. The next prime is 56180027. The reversal of 56179959 is 95997165.

It is a happy number.

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

It is not a de Polignac number, because 56179959 - 2⁵ = 56179927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56179909) 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 7 ways as a sum of consecutive naturals, for example, 851179 + ... + 851244.

It is an arithmetic number, because the mean of its divisors is an integer number (10214544).

Almost surely, 2^56179959 is an apocalyptic number.

56179959 is a deficient number, since it is larger than the sum of its proper divisors (25536393).

56179959 is a wasteful number, since it uses less digits than its factorization.

56179959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702437.

The product of its digits is 765450, while the sum is 51.

The square root of 56179959 is about 7495.3291455412. The cubic root of 56179959 is about 382.9956187988.

It can be divided in two parts, 5617 and 9959, that added together give a triangular number (15576 = T₁₇₆).

The spelling of 56179959 in words is "fifty-six million, one hundred seventy-nine thousand, nine hundred fifty-nine".