87559552 has 32 divisors (see below), whose sum is σ = 175644000. Its totient is φ = 43476480.

The previous prime is 87559523. The next prime is 87559561. The reversal of 87559552 is 25595578.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16777 + ... + 21367.

It is an arithmetic number, because the mean of its divisors is an integer number (5488875).

Almost surely, 2^87559552 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 87559552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87822000).

87559552 is an abundant number, since it is smaller than the sum of its proper divisors (88084448).

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

87559552 is a wasteful number, since it uses less digits than its factorization.

87559552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4754 (or 4742 counting only the distinct ones).

The product of its digits is 630000, while the sum is 46.

The square root of 87559552 is about 9357.3261137998. The cubic root of 87559552 is about 444.0526950958.

The spelling of 87559552 in words is "eighty-seven million, five hundred fifty-nine thousand, five hundred fifty-two".