155855588 has 12 divisors (see below), whose sum is σ = 311711232. Its totient is φ = 66795240.

The previous prime is 155855551. The next prime is 155855629. The reversal of 155855588 is 885558551.

155855588 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

155855588 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2783108 + ... + 2783163.

It is an arithmetic number, because the mean of its divisors is an integer number (25975936).

Almost surely, 2^155855588 is an apocalyptic number.

It is an amenable number.

155855588 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

155855588 is a wasteful number, since it uses less digits than its factorization.

155855588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5566282 (or 5566280 counting only the distinct ones).

The product of its digits is 1600000, while the sum is 50.

The square root of 155855588 is about 12484.2135515218. The cubic root of 155855588 is about 538.1550987071.

The spelling of 155855588 in words is "one hundred fifty-five million, eight hundred fifty-five thousand, five hundred eighty-eight".