89787552 has 48 divisors (see below), whose sum is σ = 237922272. Its totient is φ = 29646080.

The previous prime is 89787541. The next prime is 89787553. The reversal of 89787552 is 25578798.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 89787495 and 89787504.

It is not an unprimeable number, because it can be changed into a prime (89787553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5902 + ... + 14642.

It is an arithmetic number, because the mean of its divisors is an integer number (4956714).

Almost surely, 2^89787552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89787552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118961136).

89787552 is an abundant number, since it is smaller than the sum of its proper divisors (148134720).

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

89787552 is a wasteful number, since it uses less digits than its factorization.

89787552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8861 (or 8853 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 51.

The square root of 89787552 is about 9475.6293722370. The cubic root of 89787552 is about 447.7875799939.

The spelling of 89787552 in words is "eighty-nine million, seven hundred eighty-seven thousand, five hundred fifty-two".