155564088 has 48 divisors (see below), whose sum is σ = 406587720. Its totient is φ = 49596096.

The previous prime is 155564083. The next prime is 155564089. The reversal of 155564088 is 880465551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155564083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6570 + ... + 18822.

Almost surely, 2^155564088 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 155564088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203293860).

155564088 is an abundant number, since it is smaller than the sum of its proper divisors (251023632).

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

155564088 is a wasteful number, since it uses less digits than its factorization.

155564088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12308 (or 12281 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 42.

The square root of 155564088 is about 12472.5333433108. The cubic root of 155564088 is about 537.8193817024.

The spelling of 155564088 in words is "one hundred fifty-five million, five hundred sixty-four thousand, eighty-eight".