55440259560 has 96 divisors (see below), whose sum is σ = 205920973440. Its totient is φ = 12672058752.

The previous prime is 55440259481. The next prime is 55440259591. The reversal of 55440259560 is 6595204455.

55440259560 is a `hidden beast` number, since 5 + 54 + 4 + 0 + 2 + 595 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 10997532 + ... + 11002571.

It is an arithmetic number, because the mean of its divisors is an integer number (2145010140).

Almost surely, 2^55440259560 is an apocalyptic number.

It is an amenable number.

55440259560 is an abundant number, since it is smaller than the sum of its proper divisors (150480713880).

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

55440259560 is a wasteful number, since it uses less digits than its factorization.

55440259560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22000127 (or 22000120 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 45.

The spelling of 55440259560 in words is "fifty-five billion, four hundred forty million, two hundred fifty-nine thousand, five hundred sixty".