85523172 has 48 divisors (see below), whose sum is σ = 235425792. Its totient is φ = 23646240.

The previous prime is 85523147. The next prime is 85523183. The reversal of 85523172 is 27132558.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13818 + ... + 19025.

It is an arithmetic number, because the mean of its divisors is an integer number (4904704).

Almost surely, 2^85523172 is an apocalyptic number.

It is an amenable number.

85523172 is an abundant number, since it is smaller than the sum of its proper divisors (149902620).

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

85523172 is a wasteful number, since it uses less digits than its factorization.

85523172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32888 (or 32886 counting only the distinct ones).

The product of its digits is 16800, while the sum is 33.

The square root of 85523172 is about 9247.8739178257. The cubic root of 85523172 is about 440.5832004813.

The spelling of 85523172 in words is "eighty-five million, five hundred twenty-three thousand, one hundred seventy-two".