55440232758560 has 96 divisors (see below), whose sum is σ = 143714118890160. Its totient is φ = 20084008808448.

The previous prime is 55440232758551. The next prime is 55440232758611. The reversal of 55440232758560 is 6585723204455.

It can be written as a sum of positive squares in 8 ways, for example, as 25416802914064 + 30023429844496 = 5041508^2 + 5479364^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55440232758496 and 55440232758505.

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, 251342195 + ... + 251562674.

Almost surely, 2^{55440232758560} is an apocalyptic number.

It is an amenable number.

55440232758560 is an abundant number, since it is smaller than the sum of its proper divisors (88273886131600).

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

55440232758560 is a wasteful number, since it uses less digits than its factorization.

55440232758560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502904950 (or 502904942 counting only the distinct ones).

The product of its (nonzero) digits is 40320000, while the sum is 56.

The spelling of 55440232758560 in words is "fifty-five trillion, four hundred forty billion, two hundred thirty-two million, seven hundred fifty-eight thousand, five hundred sixty".