87555060 has 96 divisors (see below), whose sum is σ = 281836800. Its totient is φ = 22538880.

The previous prime is 87555053. The next prime is 87555071. The reversal of 87555060 is 6055578.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12865 + ... + 18455.

It is an arithmetic number, because the mean of its divisors is an integer number (2935800).

Almost surely, 2^87555060 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 87555060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140918400).

87555060 is an abundant number, since it is smaller than the sum of its proper divisors (194281740).

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

87555060 is a wasteful number, since it uses less digits than its factorization.

87555060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5638 (or 5630 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

The square root of 87555060 is about 9357.0860848878. The cubic root of 87555060 is about 444.0451013352.

The spelling of 87555060 in words is "eighty-seven million, five hundred fifty-five thousand, sixty".