89989552 has 20 divisors (see below), whose sum is σ = 180367920. Its totient is φ = 43443008.

The previous prime is 89989541. The next prime is 89989553. The reversal of 89989552 is 25598998.

It is a junction number, because it is equal to n+sod(n) for n = 89989493 and 89989502.

It is not an unprimeable number, because it can be changed into a prime (89989553) 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, 96508 + ... + 97435.

It is an arithmetic number, because the mean of its divisors is an integer number (9018396).

Almost surely, 2^89989552 is an apocalyptic number.

It is an amenable number.

89989552 is an abundant number, since it is smaller than the sum of its proper divisors (90378368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89989552 is a wasteful number, since it uses less digits than its factorization.

89989552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193980 (or 193974 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 55.

The square root of 89989552 is about 9486.2823065730. The cubic root of 89989552 is about 448.1231326080.

The spelling of 89989552 in words is "eighty-nine million, nine hundred eighty-nine thousand, five hundred fifty-two".