155086056 has 256 divisors, whose sum is σ = 497664000. Its totient is φ = 44478720.

The previous prime is 155086051. The next prime is 155086093. The reversal of 155086056 is 650680551.

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 155086056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155086051) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2926126 + ... + 2926178.

It is an arithmetic number, because the mean of its divisors is an integer number (1944000).

Almost surely, 2^155086056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155086056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248832000).

155086056 is an abundant number, since it is smaller than the sum of its proper divisors (342577944).

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

155086056 is a wasteful number, since it uses less digits than its factorization.

155086056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The square root of 155086056 is about 12453.3552105447. The cubic root of 155086056 is about 537.2679290926.

The spelling of 155086056 in words is "one hundred fifty-five million, eighty-six thousand, fifty-six".