89571572 has 12 divisors (see below), whose sum is σ = 165970980. Its totient is φ = 42151296.

The previous prime is 89571557. The next prime is 89571583. The reversal of 89571572 is 27517598.

It can be written as a sum of positive squares in 2 ways, for example, as 60777616 + 28793956 = 7796^2 + 5366^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 658547 + ... + 658682.

It is an arithmetic number, because the mean of its divisors is an integer number (13830915).

Almost surely, 2^89571572 is an apocalyptic number.

It is an amenable number.

89571572 is a deficient number, since it is larger than the sum of its proper divisors (76399408).

89571572 is a wasteful number, since it uses less digits than its factorization.

89571572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317250 (or 1317248 counting only the distinct ones).

The product of its digits is 176400, while the sum is 44.

The square root of 89571572 is about 9464.2259060105. The cubic root of 89571572 is about 447.4282472891.

The spelling of 89571572 in words is "eighty-nine million, five hundred seventy-one thousand, five hundred seventy-two".