87552157 has 16 divisors (see below), whose sum is σ = 109361664. Its totient is φ = 68094000.

The previous prime is 87552137. The next prime is 87552181. The reversal of 87552157 is 75125578.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87552157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87552107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74182 + ... + 75352.

It is an arithmetic number, because the mean of its divisors is an integer number (6835104).

Almost surely, 2^87552157 is an apocalyptic number.

It is an amenable number.

87552157 is a deficient number, since it is larger than the sum of its proper divisors (21809507).

87552157 is a wasteful number, since it uses less digits than its factorization.

87552157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160.

The product of its digits is 98000, while the sum is 40.

The square root of 87552157 is about 9356.9309605233. The cubic root of 87552157 is about 444.0401936532.

It can be divided in two parts, 875521 and 57, that added together give a palindrome (875578).

The spelling of 87552157 in words is "eighty-seven million, five hundred fifty-two thousand, one hundred fifty-seven".