55845588 has 24 divisors (see below), whose sum is σ = 133080192. Its totient is φ = 18218944.

The previous prime is 55845571. The next prime is 55845599. The reversal of 55845588 is 88554855.

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, 48945 + ... + 50072.

It is an arithmetic number, because the mean of its divisors is an integer number (5545008).

Almost surely, 2^55845588 is an apocalyptic number.

It is an amenable number.

55845588 is an abundant number, since it is smaller than the sum of its proper divisors (77234604).

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

55845588 is a wasteful number, since it uses less digits than its factorization.

55845588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99071 (or 99069 counting only the distinct ones).

The product of its digits is 1280000, while the sum is 48.

The square root of 55845588 is about 7472.9905660318. The cubic root of 55845588 is about 382.2342705600.

The spelling of 55845588 in words is "fifty-five million, eight hundred forty-five thousand, five hundred eighty-eight".