56288871 has 16 divisors (see below), whose sum is σ = 84568320. Its totient is φ = 36996120.

The previous prime is 56288833. The next prime is 56288873. The reversal of 56288871 is 17888265.

56288871 is a `hidden beast` number, since 562 + 8 + 8 + 87 + 1 = 666.

It is not a de Polignac number, because 56288871 - 2⁶ = 56288807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56288873) 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, 12765 + ... + 16598.

It is an arithmetic number, because the mean of its divisors is an integer number (5285520).

Almost surely, 2^56288871 is an apocalyptic number.

56288871 is a deficient number, since it is larger than the sum of its proper divisors (28279449).

56288871 is a wasteful number, since it uses less digits than its factorization.

56288871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29443 (or 29437 counting only the distinct ones).

The product of its digits is 215040, while the sum is 45.

The square root of 56288871 is about 7502.5909524644. The cubic root of 56288871 is about 383.2429542862.

The spelling of 56288871 in words is "fifty-six million, two hundred eighty-eight thousand, eight hundred seventy-one".