55317013944 has 32 divisors (see below), whose sum is σ = 138424179840. Its totient is φ = 18421452000.

The previous prime is 55317013909. The next prime is 55317013963. The reversal of 55317013944 is 44931071355.

It is a junction number, because it is equal to n+sod(n) for n = 55317013896 and 55317013905.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1071292 + ... + 1121739.

It is an arithmetic number, because the mean of its divisors is an integer number (4325755620).

Almost surely, 2^55317013944 is an apocalyptic number.

It is an amenable number.

55317013944 is an abundant number, since it is smaller than the sum of its proper divisors (83107165896).

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

55317013944 is a wasteful number, since it uses less digits than its factorization.

55317013944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2194091 (or 2194087 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 42.

The spelling of 55317013944 in words is "fifty-five billion, three hundred seventeen million, thirteen thousand, nine hundred forty-four".