89537530 has 24 divisors (see below), whose sum is σ = 162643572. Its totient is φ = 35489664.

The previous prime is 89537507. The next prime is 89537533. The reversal of 89537530 is 3573598.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 86322681 + 3214849 = 9291^2 + 1793^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (89537533) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 265522 + ... + 265858.

Almost surely, 2^89537530 is an apocalyptic number.

89537530 is a deficient number, since it is larger than the sum of its proper divisors (73106042).

89537530 is a wasteful number, since it uses less digits than its factorization.

89537530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670 (or 507 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 89537530 is about 9462.4272784524. The cubic root of 89537530 is about 447.3715578655.

The spelling of 89537530 in words is "eighty-nine million, five hundred thirty-seven thousand, five hundred thirty".