56256215 has 16 divisors (see below), whose sum is σ = 68863872. Its totient is φ = 44108064.

The previous prime is 56256199. The next prime is 56256241. The reversal of 56256215 is 51265265.

It is a cyclic number.

It is not a de Polignac number, because 56256215 - 2⁴ = 56256199 is a prime.

It is a super-2 number, since 2×56256215² = 6329523452252450, which contains 22 as substring.

It is a Duffinian number.

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, 102572 + ... + 103118.

It is an arithmetic number, because the mean of its divisors is an integer number (4303992).

Almost surely, 2^56256215 is an apocalyptic number.

56256215 is a deficient number, since it is larger than the sum of its proper divisors (12607657).

56256215 is a wasteful number, since it uses less digits than its factorization.

56256215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926.

The product of its digits is 18000, while the sum is 32.

The square root of 56256215 is about 7500.4143218892. The cubic root of 56256215 is about 383.1688271234.

The spelling of 56256215 in words is "fifty-six million, two hundred fifty-six thousand, two hundred fifteen".