89552399 has 4 divisors (see below), whose sum is σ = 90257664. Its totient is φ = 88847136.

The previous prime is 89552389. The next prime is 89552429. The reversal of 89552399 is 99325598.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 89552399 - 2⁸ = 89552143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89552389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352442 + ... + 352695.

It is an arithmetic number, because the mean of its divisors is an integer number (22564416).

Almost surely, 2^89552399 is an apocalyptic number.

89552399 is a deficient number, since it is larger than the sum of its proper divisors (705265).

89552399 is a wasteful number, since it uses less digits than its factorization.

89552399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705264.

The product of its digits is 874800, while the sum is 50.

The square root of 89552399 is about 9463.2129321917. The cubic root of 89552399 is about 447.3963206642.

The spelling of 89552399 in words is "eighty-nine million, five hundred fifty-two thousand, three hundred ninety-nine".