55456113912 has 64 divisors (see below), whose sum is σ = 139155456000. Its totient is φ = 18416813184.

The previous prime is 55456113907. The next prime is 55456113913. The reversal of 55456113912 is 21931165455.

55456113912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55456113913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7874889 + ... + 7881927.

It is an arithmetic number, because the mean of its divisors is an integer number (2174304000).

Almost surely, 2^55456113912 is an apocalyptic number.

It is an amenable number.

55456113912 is an abundant number, since it is smaller than the sum of its proper divisors (83699342088).

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

55456113912 is a wasteful number, since it uses less digits than its factorization.

55456113912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8220 (or 8216 counting only the distinct ones).

The product of its digits is 162000, while the sum is 42.

The spelling of 55456113912 in words is "fifty-five billion, four hundred fifty-six million, one hundred thirteen thousand, nine hundred twelve".