56987227 has 16 divisors (see below), whose sum is σ = 63638784. Its totient is φ = 50596000.

The previous prime is 56987173. The next prime is 56987239. The reversal of 56987227 is 72278965.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56987227 is a prime.

It is a super-2 number, since 2×56987227² = 6495088082299058, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56987267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102033 + ... + 102589.

It is an arithmetic number, because the mean of its divisors is an integer number (3977424).

Almost surely, 2^56987227 is an apocalyptic number.

56987227 is a deficient number, since it is larger than the sum of its proper divisors (6651557).

56987227 is a wasteful number, since it uses less digits than its factorization.

56987227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770.

The product of its digits is 423360, while the sum is 46.

The square root of 56987227 is about 7548.9884752859. The cubic root of 56987227 is about 384.8213642521.

The spelling of 56987227 in words is "fifty-six million, nine hundred eighty-seven thousand, two hundred twenty-seven".