55600055 has 24 divisors (see below), whose sum is σ = 78030720. Its totient is φ = 37920960.

The previous prime is 55600049. The next prime is 55600067. The reversal of 55600055 is 55000655.

It is not a de Polignac number, because 55600055 - 2⁸ = 55599799 is a prime.

It is a super-2 number, since 2×55600055² = 6182732232006050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55599997 and 55600033.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55610 + ... + 56600.

It is an arithmetic number, because the mean of its divisors is an integer number (3251280).

Almost surely, 2^55600055 is an apocalyptic number.

55600055 is a deficient number, since it is larger than the sum of its proper divisors (22430665).

55600055 is a wasteful number, since it uses less digits than its factorization.

55600055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239 (or 1232 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 55600055 is about 7456.5444409592. The cubic root of 55600055 is about 381.6732652911.

The spelling of 55600055 in words is "fifty-five million, six hundred thousand, fifty-five".