88531560 has 96 divisors (see below), whose sum is σ = 309876840. Its totient is φ = 21791232.

The previous prime is 88531549. The next prime is 88531561. The reversal of 88531560 is 6513588.

It can be written as a sum of positive squares in 4 ways, for example, as 68657796 + 19873764 = 8286^2 + 4458^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (88531561) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4779 + ... + 14138.

Almost surely, 2^88531560 is an apocalyptic number.

It is an amenable number.

88531560 is an abundant number, since it is smaller than the sum of its proper divisors (221345280).

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

88531560 is a wasteful number, since it uses less digits than its factorization.

88531560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18947 (or 18940 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 88531560 is about 9409.1211066709. The cubic root of 88531560 is about 445.6898109271.

The spelling of 88531560 in words is "eighty-eight million, five hundred thirty-one thousand, five hundred sixty".