55061100560 has 40 divisors (see below), whose sum is σ = 132431445720. Its totient is φ = 21264975872.

The previous prime is 55061100547. The next prime is 55061100599. The reversal of 55061100560 is 6500116055.

It can be written as a sum of positive squares in 4 ways, for example, as 14880096256 + 40181004304 = 121984^2 + 200452^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11864297 + ... + 11868936.

It is an arithmetic number, because the mean of its divisors is an integer number (3310786143).

Almost surely, 2^55061100560 is an apocalyptic number.

It is an amenable number.

55061100560 is an abundant number, since it is smaller than the sum of its proper divisors (77370345160).

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

55061100560 is a wasteful number, since it uses less digits than its factorization.

55061100560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23733275 (or 23733269 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 55061100560 in words is "fifty-five billion, sixty-one million, one hundred thousand, five hundred sixty".