56648320236 has 18 divisors (see below), whose sum is σ = 143194365132. Its totient is φ = 18882773400.

The previous prime is 56648320213. The next prime is 56648320247. The reversal of 56648320236 is 63202384665.

It is a happy number.

56648320236 is a `hidden beast` number, since 56 + 6 + 48 + 320 + 236 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 56648320191 and 56648320200.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 786782190 + ... + 786782261.

Almost surely, 2^56648320236 is an apocalyptic number.

It is an amenable number.

56648320236 is an abundant number, since it is smaller than the sum of its proper divisors (86546044896).

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

56648320236 is a wasteful number, since it uses less digits than its factorization.

56648320236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573564461 (or 1573564456 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

The spelling of 56648320236 in words is "fifty-six billion, six hundred forty-eight million, three hundred twenty thousand, two hundred thirty-six".