155923056 has 100 divisors (see below), whose sum is σ = 465964224. Its totient is φ = 50284800.

The previous prime is 155923043. The next prime is 155923073. The reversal of 155923056 is 650329551.

155923056 is a `hidden beast` number, since 15 + 592 + 3 + 0 + 56 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 155923056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 38236 + ... + 42116.

Almost surely, 2^155923056 is an apocalyptic number.

155923056 is a gapful number since it is divisible by the number (16) 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 155923056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232982112).

155923056 is an abundant number, since it is smaller than the sum of its proper divisors (310041168).

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

155923056 is a wasteful number, since it uses less digits than its factorization.

155923056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3932 (or 3917 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 36.

The square root of 155923056 is about 12486.9153917210. The cubic root of 155923056 is about 538.2327411169.

The spelling of 155923056 in words is "one hundred fifty-five million, nine hundred twenty-three thousand, fifty-six".