55219459204 has 48 divisors (see below), whose sum is σ = 120563513728. Its totient is φ = 21545803008.

The previous prime is 55219459193. The next prime is 55219459259. The reversal of 55219459204 is 40295491255.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1012482 + ... + 1065625.

Almost surely, 2^55219459204 is an apocalyptic number.

It is an amenable number.

55219459204 is an abundant number, since it is smaller than the sum of its proper divisors (65344054524).

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

55219459204 is a wasteful number, since it uses less digits than its factorization.

55219459204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2078204 (or 2078202 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 46.

The spelling of 55219459204 in words is "fifty-five billion, two hundred nineteen million, four hundred fifty-nine thousand, two hundred four".