87552171 has 96 divisors (see below), whose sum is σ = 164524800. Its totient is φ = 46294416.

The previous prime is 87552137. The next prime is 87552181. The reversal of 87552171 is 17125578.

It is not a de Polignac number, because 87552171 - 2⁶ = 87552107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87552121) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2036076 + ... + 2036118.

It is an arithmetic number, because the mean of its divisors is an integer number (1713800).

Almost surely, 2^87552171 is an apocalyptic number.

87552171 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

87552171 is a deficient number, since it is larger than the sum of its proper divisors (76972629).

87552171 is an equidigital number, since it uses as much as digits as its factorization.

87552171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97 (or 72 counting only the distinct ones).

The product of its digits is 19600, while the sum is 36.

The square root of 87552171 is about 9356.9317086318. The cubic root of 87552171 is about 444.0402173212.

The spelling of 87552171 in words is "eighty-seven million, five hundred fifty-two thousand, one hundred seventy-one".