55473203156 has 48 divisors (see below), whose sum is σ = 113560398336. Its totient is φ = 23214419424.

The previous prime is 55473203141. The next prime is 55473203179. The reversal of 55473203156 is 65130237455.

It is a congruent number.

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, 7011755 + ... + 7019661.

It is an arithmetic number, because the mean of its divisors is an integer number (2365841632).

Almost surely, 2^55473203156 is an apocalyptic number.

It is an amenable number.

55473203156 is an abundant number, since it is smaller than the sum of its proper divisors (58087195180).

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

55473203156 is a wasteful number, since it uses less digits than its factorization.

55473203156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13788 (or 13786 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 41.

The spelling of 55473203156 in words is "fifty-five billion, four hundred seventy-three million, two hundred three thousand, one hundred fifty-six".