155967552 has 224 divisors, whose sum is σ = 506943360. Its totient is φ = 46725120.

The previous prime is 155967547. The next prime is 155967589. The reversal of 155967552 is 255769551.

155967552 is a `hidden beast` number, since 1 + 5 + 5 + 96 + 7 + 552 = 666.

155967552 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 155967498 and 155967507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1190527 + ... + 1190657.

It is an arithmetic number, because the mean of its divisors is an integer number (2263140).

Almost surely, 2^155967552 is an apocalyptic number.

155967552 is a gapful number since it is divisible by the number (12) 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 155967552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253471680).

155967552 is an abundant number, since it is smaller than the sum of its proper divisors (350975808).

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

155967552 is a wasteful number, since it uses less digits than its factorization.

155967552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 202 counting only the distinct ones).

The product of its digits is 472500, while the sum is 45.

The square root of 155967552 is about 12488.6969696602. The cubic root of 155967552 is about 538.2839350132.

The spelling of 155967552 in words is "one hundred fifty-five million, nine hundred sixty-seven thousand, five hundred fifty-two".