55261204356 has 24 divisors (see below), whose sum is σ = 129110507680. Its totient is φ = 18396444672.

The previous prime is 55261204267. The next prime is 55261204367. The reversal of 55261204356 is 65340216255.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2984986 + ... + 3003441.

Almost surely, 2^55261204356 is an apocalyptic number.

It is an amenable number.

55261204356 is an abundant number, since it is smaller than the sum of its proper divisors (73849303324).

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

55261204356 is a wasteful number, since it uses less digits than its factorization.

55261204356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5989203 (or 5989201 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 55261204356 in words is "fifty-five billion, two hundred sixty-one million, two hundred four thousand, three hundred fifty-six".