55776475416 has 16 divisors (see below), whose sum is σ = 139441188600. Its totient is φ = 18592158464.

The previous prime is 55776475387. The next prime is 55776475421. The reversal of 55776475416 is 61457467755.

55776475416 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 2×55776475416² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1162009881 + ... + 1162009928.

Almost surely, 2^55776475416 is an apocalyptic number.

It is an amenable number.

55776475416 is an abundant number, since it is smaller than the sum of its proper divisors (83664713184).

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

55776475416 is a wasteful number, since it uses less digits than its factorization.

55776475416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2324019818 (or 2324019814 counting only the distinct ones).

The product of its digits is 24696000, while the sum is 57.

The spelling of 55776475416 in words is "fifty-five billion, seven hundred seventy-six million, four hundred seventy-five thousand, four hundred sixteen".