54656155780 has 12 divisors (see below), whose sum is σ = 114777927180. Its totient is φ = 21862462304.

The previous prime is 54656155759. The next prime is 54656155789. The reversal of 54656155780 is 8755165645.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 28575197764 + 26080958016 = 169042^2 + 161496^2 .

It is not an unprimeable number, because it can be changed into a prime (54656155789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1366403875 + ... + 1366403914.

It is an arithmetic number, because the mean of its divisors is an integer number (9564827265).

Almost surely, 2^54656155780 is an apocalyptic number.

It is an amenable number.

54656155780 is an abundant number, since it is smaller than the sum of its proper divisors (60121771400).

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

54656155780 is a wasteful number, since it uses less digits than its factorization.

54656155780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2732807798 (or 2732807796 counting only the distinct ones).

The product of its (nonzero) digits is 5040000, while the sum is 52.

The spelling of 54656155780 in words is "fifty-four billion, six hundred fifty-six million, one hundred fifty-five thousand, seven hundred eighty".