85552917 has 16 divisors (see below), whose sum is σ = 117447360. Its totient is φ = 55395216.

The previous prime is 85552913. The next prime is 85553023. The reversal of 85552917 is 71925558.

It is not a de Polignac number, because 85552917 - 2² = 85552913 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85552913) 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, 151678 + ... + 152240.

It is an arithmetic number, because the mean of its divisors is an integer number (7340460).

Almost surely, 2^85552917 is an apocalyptic number.

It is an amenable number.

85552917 is a deficient number, since it is larger than the sum of its proper divisors (31894443).

85552917 is an frugal number, since it uses more digits than its factorization.

85552917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677 (or 603 counting only the distinct ones).

The product of its digits is 126000, while the sum is 42.

The square root of 85552917 is about 9249.4819854952. The cubic root of 85552917 is about 440.6342729098.

The spelling of 85552917 in words is "eighty-five million, five hundred fifty-two thousand, nine hundred seventeen".