56215227 has 8 divisors (see below), whose sum is σ = 75001360. Its totient is φ = 37452960.

The previous prime is 56215217. The next prime is 56215231. The reversal of 56215227 is 72251265.

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

It is not a de Polignac number, because 56215227 - 2⁶ = 56215163 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56215194 and 56215203.

It is not an unprimeable number, because it can be changed into a prime (56215217) 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, 549 + ... + 10617.

It is an arithmetic number, because the mean of its divisors is an integer number (9375170).

Almost surely, 2^56215227 is an apocalyptic number.

56215227 is a deficient number, since it is larger than the sum of its proper divisors (18786133).

56215227 is a wasteful number, since it uses less digits than its factorization.

56215227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11933.

The product of its digits is 8400, while the sum is 30.

The square root of 56215227 is about 7497.6814416191. The cubic root of 56215227 is about 383.0757462095.

The spelling of 56215227 in words is "fifty-six million, two hundred fifteen thousand, two hundred twenty-seven".