56426520 has 64 divisors (see below), whose sum is σ = 169827840. Its totient is φ = 14998400.

The previous prime is 56426483. The next prime is 56426533. The reversal of 56426520 is 2562465.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51175 + ... + 52265.

It is an arithmetic number, because the mean of its divisors is an integer number (2653560).

Almost surely, 2^56426520 is an apocalyptic number.

It is an amenable number.

56426520 is an abundant number, since it is smaller than the sum of its proper divisors (113401320).

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

56426520 is a wasteful number, since it uses less digits than its factorization.

56426520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536 (or 1532 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 56426520 is about 7511.7587820696. The cubic root of 56426520 is about 383.5550945371. Note that the first 3 decimals are identical.

Adding to 56426520 its reverse (2562465), we get a palindrome (58988985).

The spelling of 56426520 in words is "fifty-six million, four hundred twenty-six thousand, five hundred twenty".