56627979 has 8 divisors (see below), whose sum is σ = 77939712. Its totient is φ = 36534120.

The previous prime is 56627959. The next prime is 56628031. The reversal of 56627979 is 97972665.

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

It is not a de Polignac number, because 56627979 - 2²³ = 48239371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56627939) 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, 304359 + ... + 304544.

It is an arithmetic number, because the mean of its divisors is an integer number (9742464).

Almost surely, 2^56627979 is an apocalyptic number.

56627979 is a deficient number, since it is larger than the sum of its proper divisors (21311733).

56627979 is a wasteful number, since it uses less digits than its factorization.

56627979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608937.

The product of its digits is 1428840, while the sum is 51.

The square root of 56627979 is about 7525.1564103346. The cubic root of 56627979 is about 384.0110199203.

The spelling of 56627979 in words is "fifty-six million, six hundred twenty-seven thousand, nine hundred seventy-nine".