56501260263 has 40 divisors (see below), whose sum is σ = 96481566720. Its totient is φ = 32279452560.

The previous prime is 56501260247. The next prime is 56501260297. The reversal of 56501260263 is 36206210565.

It is a happy number.

56501260263 is a `hidden beast` number, since 565 + 0 + 12 + 60 + 26 + 3 = 666.

It is not a de Polignac number, because 56501260263 - 2⁴ = 56501260247 is a prime.

It is a super-2 number, since 2×56501260263² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56501264263) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3802258 + ... + 3817088.

It is an arithmetic number, because the mean of its divisors is an integer number (2412039168).

Almost surely, 2^56501260263 is an apocalyptic number.

56501260263 is a deficient number, since it is larger than the sum of its proper divisors (39980306457).

56501260263 is a wasteful number, since it uses less digits than its factorization.

56501260263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21569 (or 21560 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 56501260263 in words is "fifty-six billion, five hundred one million, two hundred sixty thousand, two hundred sixty-three".