85556317 has 24 divisors (see below), whose sum is σ = 108859968. Its totient is φ = 65809920.

The previous prime is 85556281. The next prime is 85556327. The reversal of 85556317 is 71365558.

85556317 = 974² + 975² + ... + 1056².

It is not a de Polignac number, because 85556317 - 2¹⁹ = 85032029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85556317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85556327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69693 + ... + 70909.

It is an arithmetic number, because the mean of its divisors is an integer number (4535832).

Almost surely, 2^85556317 is an apocalyptic number.

It is an amenable number.

85556317 is a deficient number, since it is larger than the sum of its proper divisors (23303651).

85556317 is a wasteful number, since it uses less digits than its factorization.

85556317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329 (or 1318 counting only the distinct ones).

The product of its digits is 126000, while the sum is 40.

The square root of 85556317 is about 9249.6657777457. The cubic root of 85556317 is about 440.6401099860.

The spelling of 85556317 in words is "eighty-five million, five hundred fifty-six thousand, three hundred seventeen".