56512263 has 12 divisors (see below), whose sum is σ = 75921720. Its totient is φ = 37390896.

The previous prime is 56512243. The next prime is 56512343. The reversal of 56512263 is 36221565.

It is not a de Polignac number, because 56512263 - 2¹⁰ = 56511239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56512263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56512243) 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, 79353 + ... + 80061.

It is an arithmetic number, because the mean of its divisors is an integer number (6326810).

Almost surely, 2^56512263 is an apocalyptic number.

56512263 is a deficient number, since it is larger than the sum of its proper divisors (19409457).

56512263 is an equidigital number, since it uses as much as digits as its factorization.

56512263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038 (or 875 counting only the distinct ones).

The product of its digits is 10800, while the sum is 30.

The square root of 56512263 is about 7517.4638675553. The cubic root of 56512263 is about 383.7492734480.

The spelling of 56512263 in words is "fifty-six million, five hundred twelve thousand, two hundred sixty-three".