55268391366 has 16 divisors (see below), whose sum is σ = 122818647600. Its totient is φ = 18422797104.

The previous prime is 55268391307. The next prime is 55268391379. The reversal of 55268391366 is 66319386255.

It is a happy number.

55268391366 is a `hidden beast` number, since 5 + 526 + 83 + 9 + 1 + 36 + 6 = 666.

55268391366 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 1023488729 = 55268391366 / (5 + 5 + 2 + 6 + 8 + 3 + 9 + 1 + 3 + 6 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 511744311 + ... + 511744418.

It is an arithmetic number, because the mean of its divisors is an integer number (7676165475).

Almost surely, 2^55268391366 is an apocalyptic number.

55268391366 is an abundant number, since it is smaller than the sum of its proper divisors (67550256234).

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

55268391366 is a wasteful number, since it uses less digits than its factorization.

55268391366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023488740 (or 1023488734 counting only the distinct ones).

The product of its digits is 6998400, while the sum is 54.

The spelling of 55268391366 in words is "fifty-five billion, two hundred sixty-eight million, three hundred ninety-one thousand, three hundred sixty-six".