55426888 has 64 divisors (see below), whose sum is σ = 120657600. Its totient is φ = 23627520.

The previous prime is 55426879. The next prime is 55426897. The reversal of 55426888 is 88862455.

It is an interprime number because it is at equal distance from previous prime (55426879) and next prime (55426897).

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, 94131 + ... + 94717.

It is an arithmetic number, because the mean of its divisors is an integer number (1885275).

Almost surely, 2^55426888 is an apocalyptic number.

55426888 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55426888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60328800).

55426888 is an abundant number, since it is smaller than the sum of its proper divisors (65230712).

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

55426888 is a wasteful number, since it uses less digits than its factorization.

55426888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670 (or 666 counting only the distinct ones).

The product of its digits is 614400, while the sum is 46.

The square root of 55426888 is about 7444.9236396353. The cubic root of 55426888 is about 381.2766113110.

The spelling of 55426888 in words is "fifty-five million, four hundred twenty-six thousand, eight hundred eighty-eight".