155755056 has 40 divisors (see below), whose sum is σ = 416245680. Its totient is φ = 50127616.

The previous prime is 155755031. The next prime is 155755081. The reversal of 155755056 is 650557551.

155755056 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (155755031) and next prime (155755081).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

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, 54555 + ... + 57338.

It is an arithmetic number, because the mean of its divisors is an integer number (10406142).

Almost surely, 2^155755056 is an apocalyptic number.

155755056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

155755056 is an abundant number, since it is smaller than the sum of its proper divisors (260490624).

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

155755056 is a wasteful number, since it uses less digits than its factorization.

155755056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111933 (or 111927 counting only the distinct ones).

The product of its (nonzero) digits is 131250, while the sum is 39.

The square root of 155755056 is about 12480.1865370675. The cubic root of 155755056 is about 538.0393645506.

The spelling of 155755056 in words is "one hundred fifty-five million, seven hundred fifty-five thousand, fifty-six".