55906124780 has 96 divisors (see below), whose sum is σ = 139165931520. Its totient is φ = 18638208000.

The previous prime is 55906124777. The next prime is 55906124797. The reversal of 55906124780 is 8742160955.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86141 + ... + 345300.

It is an arithmetic number, because the mean of its divisors is an integer number (1449645120).

Almost surely, 2^55906124780 is an apocalyptic number.

It is an amenable number.

55906124780 is an abundant number, since it is smaller than the sum of its proper divisors (83259806740).

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

55906124780 is a wasteful number, since it uses less digits than its factorization.

55906124780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431511 (or 431509 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 47.

The spelling of 55906124780 in words is "fifty-five billion, nine hundred six million, one hundred twenty-four thousand, seven hundred eighty".