85557417 has 8 divisors (see below), whose sum is σ = 124447200. Its totient is φ = 51852960.

The previous prime is 85557397. The next prime is 85557443. The reversal of 85557417 is 71475558.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85557417 - 2⁸ = 85557161 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (85557457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1296292 + ... + 1296357.

It is an arithmetic number, because the mean of its divisors is an integer number (15555900).

Almost surely, 2^85557417 is an apocalyptic number.

It is an amenable number.

85557417 is a deficient number, since it is larger than the sum of its proper divisors (38889783).

85557417 is a wasteful number, since it uses less digits than its factorization.

85557417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2592663.

The product of its digits is 196000, while the sum is 42.

The square root of 85557417 is about 9249.7252391625. The cubic root of 85557417 is about 440.6419984187.

The spelling of 85557417 in words is "eighty-five million, five hundred fifty-seven thousand, four hundred seventeen".