55505611056 has 80 divisors (see below), whose sum is σ = 167360431104. Its totient is φ = 15521321472.

The previous prime is 55505611033. The next prime is 55505611061. The reversal of 55505611056 is 65011650555.

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, 1741605 + ... + 1773188.

Almost surely, 2^55505611056 is an apocalyptic number.

55505611056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

55505611056 is an abundant number, since it is smaller than the sum of its proper divisors (111854820048).

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

55505611056 is a wasteful number, since it uses less digits than its factorization.

55505611056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3514858 (or 3514852 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 39.

The spelling of 55505611056 in words is "fifty-five billion, five hundred five million, six hundred eleven thousand, fifty-six".