89552621 has 4 divisors (see below), whose sum is σ = 89577600. Its totient is φ = 89527644.

The previous prime is 89552599. The next prime is 89552623. The reversal of 89552621 is 12625598.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12625598 = 2 ⋅6312799.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89552621 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 (89552623) 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 3 ways as a sum of consecutive naturals, for example, 5981 + ... + 14658.

It is an arithmetic number, because the mean of its divisors is an integer number (22394400).

Almost surely, 2^89552621 is an apocalyptic number.

It is an amenable number.

89552621 is a deficient number, since it is larger than the sum of its proper divisors (24979).

89552621 is a wasteful number, since it uses less digits than its factorization.

89552621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24978.

The product of its digits is 43200, while the sum is 38.

The square root of 89552621 is about 9463.2246618159. The cubic root of 89552621 is about 447.3966903617.

The spelling of 89552621 in words is "eighty-nine million, five hundred fifty-two thousand, six hundred twenty-one".