155533488 has 80 divisors (see below), whose sum is σ = 442578816. Its totient is φ = 46673920.

The previous prime is 155533453. The next prime is 155533507. The reversal of 155533488 is 884335551.

It is a super-2 number, since 2×155533488² = 48381331778892288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55120 + ... + 57872.

Almost surely, 2^155533488 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 155533488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221289408).

155533488 is an abundant number, since it is smaller than the sum of its proper divisors (287045328).

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

155533488 is a wasteful number, since it uses less digits than its factorization.

155533488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2882 (or 2876 counting only the distinct ones).

The product of its digits is 288000, while the sum is 42.

The square root of 155533488 is about 12471.3065875232. The cubic root of 155533488 is about 537.7841157391.

The spelling of 155533488 in words is "one hundred fifty-five million, five hundred thirty-three thousand, four hundred eighty-eight".