56807247 has 32 divisors (see below), whose sum is σ = 89828352. Its totient is φ = 31256064.

The previous prime is 56807197. The next prime is 56807297. The reversal of 56807247 is 74270865.

It is an interprime number because it is at equal distance from previous prime (56807197) and next prime (56807297).

It is not a de Polignac number, because 56807247 - 2⁷ = 56807119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56807297) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87478 + ... + 88124.

It is an arithmetic number, because the mean of its divisors is an integer number (2807136).

Almost surely, 2^56807247 is an apocalyptic number.

56807247 is a deficient number, since it is larger than the sum of its proper divisors (33021105).

56807247 is a wasteful number, since it uses less digits than its factorization.

56807247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807.

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 56807247 is about 7537.0582457614. The cubic root of 56807247 is about 384.4158161164.

The spelling of 56807247 in words is "fifty-six million, eight hundred seven thousand, two hundred forty-seven".