55567777888 has 48 divisors (see below), whose sum is σ = 129338808480. Its totient is φ = 22993560576.

The previous prime is 55567777849. The next prime is 55567777927. The reversal of 55567777888 is 88877776555.

It is an interprime number because it is at equal distance from previous prime (55567777849) and next prime (55567777927).

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 55567777888.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4270581 + ... + 4283572.

It is an arithmetic number, because the mean of its divisors is an integer number (2694558510).

Almost surely, 2^55567777888 is an apocalyptic number.

55567777888 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

55567777888 is an abundant number, since it is smaller than the sum of its proper divisors (73771030592).

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

55567777888 is a wasteful number, since it uses less digits than its factorization.

55567777888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8554199 (or 8554191 counting only the distinct ones).

The product of its digits is 921984000, while the sum is 73.

The spelling of 55567777888 in words is "fifty-five billion, five hundred sixty-seven million, seven hundred seventy-seven thousand, eight hundred eighty-eight".