56899654780 has 24 divisors (see below), whose sum is σ = 119670621840. Its totient is φ = 22725319680.

The previous prime is 56899654727. The next prime is 56899654781. The reversal of 56899654780 is 8745699865.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56899654781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2145381 + ... + 2171740.

It is an arithmetic number, because the mean of its divisors is an integer number (4986275910).

Almost surely, 2^56899654780 is an apocalyptic number.

It is an amenable number.

56899654780 is an abundant number, since it is smaller than the sum of its proper divisors (62770967060).

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

56899654780 is a wasteful number, since it uses less digits than its factorization.

56899654780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4317789 (or 4317787 counting only the distinct ones).

The product of its (nonzero) digits is 130636800, while the sum is 67.

The spelling of 56899654780 in words is "fifty-six billion, eight hundred ninety-nine million, six hundred fifty-four thousand, seven hundred eighty".