56261808 has 30 divisors (see below), whose sum is σ = 157455324. Its totient is φ = 18753888.

The previous prime is 56261797. The next prime is 56261809. The reversal of 56261808 is 80816265.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (56261809) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 195210 + ... + 195497.

Almost surely, 2^56261808 is an apocalyptic number.

It is an amenable number.

56261808 is an abundant number, since it is smaller than the sum of its proper divisors (101193516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56261808 is a wasteful number, since it uses less digits than its factorization.

56261808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390721 (or 390712 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 56261808 is about 7500.7871586921. The cubic root of 56261808 is about 383.1815249336.

The spelling of 56261808 in words is "fifty-six million, two hundred sixty-one thousand, eight hundred eight".