56620336 has 80 divisors (see below), whose sum is σ = 122563584. Its totient is φ = 25224192.

The previous prime is 56620331. The next prime is 56620339. The reversal of 56620336 is 63302665.

It is a junction number, because it is equal to n+sod(n) for n = 56620298 and 56620307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56620331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 549661 + ... + 549763.

Almost surely, 2^56620336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56620336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61281792).

56620336 is an abundant number, since it is smaller than the sum of its proper divisors (65943248).

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

56620336 is a wasteful number, since it uses less digits than its factorization.

56620336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 56620336 is about 7524.6485632221. The cubic root of 56620336 is about 383.9937426642.

It can be divided in two parts, 566 and 20336, that added together give a palindrome (20902).

The spelling of 56620336 in words is "fifty-six million, six hundred twenty thousand, three hundred thirty-six".