155056 has 20 divisors (see below), whose sum is σ = 328104. Its totient is φ = 70400.

The previous prime is 155047. The next prime is 155069. The reversal of 155056 is 650551.

155056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a nialpdrome in base 11.

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, 265 + ... + 616.

2¹⁵⁵⁰⁵⁶ is an apocalyptic number.

155056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

155056 is an abundant number, since it is smaller than the sum of its proper divisors (173048).

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

155056 is a wasteful number, since it uses less digits than its factorization.

155056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900 (or 894 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 155056 is about 393.7715073491. The cubic root of 155056 is about 53.7233218970.

The spelling of 155056 in words is "one hundred fifty-five thousand, fifty-six".