55404670812 has 24 divisors (see below), whose sum is σ = 131396871312. Its totient is φ = 18165465600.

The previous prime is 55404670759. The next prime is 55404670823. The reversal of 55404670812 is 21807640455.

It is a happy number.

55404670812 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 an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37843989 + ... + 37845452.

It is an arithmetic number, because the mean of its divisors is an integer number (5474869638).

Almost surely, 2^55404670812 is an apocalyptic number.

It is an amenable number.

55404670812 is an abundant number, since it is smaller than the sum of its proper divisors (75992200500).

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

55404670812 is a wasteful number, since it uses less digits than its factorization.

55404670812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75689509 (or 75689507 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 42.

The spelling of 55404670812 in words is "fifty-five billion, four hundred four million, six hundred seventy thousand, eight hundred twelve".