55928491788 has 48 divisors (see below), whose sum is σ = 146648630016. Its totient is φ = 16460558400.

The previous prime is 55928491763. The next prime is 55928491793. The reversal of 55928491788 is 88719482955.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7790238 + ... + 7797413.

It is an arithmetic number, because the mean of its divisors is an integer number (3055179792).

Almost surely, 2^55928491788 is an apocalyptic number.

It is an amenable number.

55928491788 is an abundant number, since it is smaller than the sum of its proper divisors (90720138228).

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

55928491788 is a wasteful number, since it uses less digits than its factorization.

55928491788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15587694 (or 15587692 counting only the distinct ones).

The product of its digits is 58060800, while the sum is 66.

The spelling of 55928491788 in words is "fifty-five billion, nine hundred twenty-eight million, four hundred ninety-one thousand, seven hundred eighty-eight".