56654780634 has 48 divisors (see below), whose sum is σ = 125653729344. Its totient is φ = 18438840000.

The previous prime is 56654780603. The next prime is 56654780747. The reversal of 56654780634 is 43608745665.

56654780634 is a `hidden beast` number, since 5 + 66 + 547 + 8 + 0 + 6 + 34 = 666.

56654780634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×56654780634² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2310579 + ... + 2334969.

It is an arithmetic number, because the mean of its divisors is an integer number (2617786028).

Almost surely, 2^56654780634 is an apocalyptic number.

56654780634 is an abundant number, since it is smaller than the sum of its proper divisors (68998948710).

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

56654780634 is a wasteful number, since it uses less digits than its factorization.

56654780634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27443 (or 27440 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 54.

The spelling of 56654780634 in words is "fifty-six billion, six hundred fifty-four million, seven hundred eighty thousand, six hundred thirty-four".