89280553 has 4 divisors (see below), whose sum is σ = 89357968. Its totient is φ = 89203140.

The previous prime is 89280551. The next prime is 89280623. The reversal of 89280553 is 35508298.

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.

It is a cyclic number.

It is not a de Polignac number, because 89280553 - 2¹ = 89280551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89280551) 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, 36951 + ... + 39292.

It is an arithmetic number, because the mean of its divisors is an integer number (22339492).

Almost surely, 2^89280553 is an apocalyptic number.

It is an amenable number.

89280553 is a deficient number, since it is larger than the sum of its proper divisors (77415).

89280553 is a wasteful number, since it uses less digits than its factorization.

89280553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77414.

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 89280553 is about 9448.8387117148. The cubic root of 89280553 is about 446.9431551581.

The spelling of 89280553 in words is "eighty-nine million, two hundred eighty thousand, five hundred fifty-three".