56296287 has 12 divisors (see below), whose sum is σ = 81582384. Its totient is φ = 37408320.

The previous prime is 56296267. The next prime is 56296301. The reversal of 56296287 is 78269265.

56296287 is a `hidden beast` number, since 562 + 9 + 6 + 2 + 87 = 666.

It is not a de Polignac number, because 56296287 - 2¹¹ = 56294239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56296237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7258 + ... + 12855.

It is an arithmetic number, because the mean of its divisors is an integer number (6798532).

Almost surely, 2^56296287 is an apocalyptic number.

56296287 is a deficient number, since it is larger than the sum of its proper divisors (25286097).

56296287 is a wasteful number, since it uses less digits than its factorization.

56296287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20430 (or 20427 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 56296287 is about 7503.0851654503. The cubic root of 56296287 is about 383.2597841669.

The spelling of 56296287 in words is "fifty-six million, two hundred ninety-six thousand, two hundred eighty-seven".