56223015 has 16 divisors (see below), whose sum is σ = 90295296. Its totient is φ = 29872800.

The previous prime is 56223001. The next prime is 56223031. The reversal of 56223015 is 51032265.

It is not a de Polignac number, because 56223015 - 2⁸ = 56222759 is a prime.

It is a super-2 number, since 2×56223015² = 6322054831380450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2851 + ... + 10980.

It is an arithmetic number, because the mean of its divisors is an integer number (5643456).

Almost surely, 2^56223015 is an apocalyptic number.

56223015 is a deficient number, since it is larger than the sum of its proper divisors (34072281).

56223015 is a wasteful number, since it uses less digits than its factorization.

56223015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14110.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 56223015 is about 7498.2007841882. The cubic root of 56223015 is about 383.0934356999.

The spelling of 56223015 in words is "fifty-six million, two hundred twenty-three thousand, fifteen".