153055656 has 80 divisors (see below), whose sum is σ = 461699700. Its totient is φ = 47091456.

The previous prime is 153055633. The next prime is 153055663. The reversal of 153055656 is 656550351.

153055656 is a `hidden beast` number, since 1 + 53 + 0 + 556 + 56 = 666.

153055656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 130644900 + 22410756 = 11430^2 + 4734^2 .

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 153055656.

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, 661 + ... + 17508.

Almost surely, 2^153055656 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 153055656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230849850).

153055656 is an abundant number, since it is smaller than the sum of its proper divisors (308644044).

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

153055656 is a wasteful number, since it uses less digits than its factorization.

153055656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18200 (or 18187 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 36.

The square root of 153055656 is about 12371.5664327522. The cubic root of 153055656 is about 534.9129692186.

The spelling of 153055656 in words is "one hundred fifty-three million, fifty-five thousand, six hundred fifty-six".