56123615 has 8 divisors (see below), whose sum is σ = 67430400. Its totient is φ = 44844192.

The previous prime is 56123603. The next prime is 56123623. The reversal of 56123615 is 51632165.

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 56123615 - 2¹² = 56119519 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2015 + ... + 10784.

It is an arithmetic number, because the mean of its divisors is an integer number (8428800).

Almost surely, 2^56123615 is an apocalyptic number.

56123615 is a deficient number, since it is larger than the sum of its proper divisors (11306785).

56123615 is a wasteful number, since it uses less digits than its factorization.

56123615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13681.

The product of its digits is 5400, while the sum is 29.

The square root of 56123615 is about 7491.5695952183. The cubic root of 56123615 is about 382.8675379925.

The spelling of 56123615 in words is "fifty-six million, one hundred twenty-three thousand, six hundred fifteen".