55315664394 has 16 divisors (see below), whose sum is σ = 110662827168. Its totient is φ = 18433305072.

The previous prime is 55315664389. The next prime is 55315664413. The reversal of 55315664394 is 49346651355.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1289572 + ... + 1331775.

It is an arithmetic number, because the mean of its divisors is an integer number (6916426698).

Almost surely, 2^55315664394 is an apocalyptic number.

55315664394 is an abundant number, since it is smaller than the sum of its proper divisors (55347162774).

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

55315664394 is a wasteful number, since it uses less digits than its factorization.

55315664394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2624869.

The product of its digits is 5832000, while the sum is 51.

The spelling of 55315664394 in words is "fifty-five billion, three hundred fifteen million, six hundred sixty-four thousand, three hundred ninety-four".