55536866960 has 20 divisors (see below), whose sum is σ = 129123215868. Its totient is φ = 22214746752.

The previous prime is 55536866941. The next prime is 55536866977. The reversal of 55536866960 is 6966863555.

It can be written as a sum of positive squares in 2 ways, for example, as 6648119296 + 48888747664 = 81536^2 + 221108^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 55536866960.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347105339 + ... + 347105498.

Almost surely, 2^55536866960 is an apocalyptic number.

It is an amenable number.

55536866960 is an abundant number, since it is smaller than the sum of its proper divisors (73586348908).

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

55536866960 is a wasteful number, since it uses less digits than its factorization.

55536866960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694210850 (or 694210844 counting only the distinct ones).

The product of its (nonzero) digits is 34992000, while the sum is 59.

The spelling of 55536866960 in words is "fifty-five billion, five hundred thirty-six million, eight hundred sixty-six thousand, nine hundred sixty".