89521588 has 12 divisors (see below), whose sum is σ = 168713860. Its totient is φ = 41317632.

The previous prime is 89521577. The next prime is 89521613. The reversal of 89521588 is 88512598.

It can be written as a sum of positive squares in 2 ways, for example, as 61027344 + 28494244 = 7812^2 + 5338^2 .

It is a super-2 number, since 2×89521588² = 16028229436083488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 860733 + ... + 860836.

Almost surely, 2^89521588 is an apocalyptic number.

It is an amenable number.

89521588 is a deficient number, since it is larger than the sum of its proper divisors (79192272).

89521588 is a wasteful number, since it uses less digits than its factorization.

89521588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1721586 (or 1721584 counting only the distinct ones).

The product of its digits is 230400, while the sum is 46.

The square root of 89521588 is about 9461.5848566717. The cubic root of 89521588 is about 447.3450050494.

It can be divided in two parts, 89521 and 588, that added together give a palindrome (90109).

The spelling of 89521588 in words is "eighty-nine million, five hundred twenty-one thousand, five hundred eighty-eight".