55406413868 has 96 divisors (see below), whose sum is σ = 111849171840. Its totient is φ = 23814236160.

The previous prime is 55406413861. The next prime is 55406413877. The reversal of 55406413868 is 86831460455.

55406413868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (55406413861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33196538 + ... + 33198206.

It is an arithmetic number, because the mean of its divisors is an integer number (1165095540).

Almost surely, 2^55406413868 is an apocalyptic number.

It is an amenable number.

55406413868 is an abundant number, since it is smaller than the sum of its proper divisors (56442757972).

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

55406413868 is a wasteful number, since it uses less digits than its factorization.

55406413868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2427 (or 2425 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 50.

The spelling of 55406413868 in words is "fifty-five billion, four hundred six million, four hundred thirteen thousand, eight hundred sixty-eight".