56992247 has 16 divisors (see below), whose sum is σ = 64401792. Its totient is φ = 50077440.

The previous prime is 56992241. The next prime is 56992261. The reversal of 56992247 is 74229965.

It is a cyclic number.

It is not a de Polignac number, because 56992247 - 2⁴ = 56992231 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56992198 and 56992207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56992241) 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, 21347 + ... + 23867.

It is an arithmetic number, because the mean of its divisors is an integer number (4025112).

Almost surely, 2^56992247 is an apocalyptic number.

56992247 is a deficient number, since it is larger than the sum of its proper divisors (7409545).

56992247 is a wasteful number, since it uses less digits than its factorization.

56992247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2618.

The product of its digits is 272160, while the sum is 44.

The square root of 56992247 is about 7549.3209628416. The cubic root of 56992247 is about 384.8326635475.

The spelling of 56992247 in words is "fifty-six million, nine hundred ninety-two thousand, two hundred forty-seven".