55317995798 has 32 divisors (see below), whose sum is σ = 91309510656. Its totient is φ = 24974911008.

The previous prime is 55317995753. The next prime is 55317995807. The reversal of 55317995798 is 89759971355.

It is a happy number.

It is a congruent number.

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, 2510015 + ... + 2531957.

It is an arithmetic number, because the mean of its divisors is an integer number (2853422208).

Almost surely, 2^55317995798 is an apocalyptic number.

55317995798 is a deficient number, since it is larger than the sum of its proper divisors (35991514858).

55317995798 is a wasteful number, since it uses less digits than its factorization.

55317995798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24068.

The product of its digits is 107163000, while the sum is 68.

The spelling of 55317995798 in words is "fifty-five billion, three hundred seventeen million, nine hundred ninety-five thousand, seven hundred ninety-eight".