85554157 has 8 divisors (see below), whose sum is σ = 92381184. Its totient is φ = 78762288.

The previous prime is 85554151. The next prime is 85554191. The reversal of 85554157 is 75145558.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85554157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85554151) 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, 3613 + ... + 13570.

It is an arithmetic number, because the mean of its divisors is an integer number (11547648).

Almost surely, 2^85554157 is an apocalyptic number.

It is an amenable number.

85554157 is a deficient number, since it is larger than the sum of its proper divisors (6827027).

85554157 is a wasteful number, since it uses less digits than its factorization.

85554157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17579.

The product of its digits is 140000, while the sum is 40.

The square root of 85554157 is about 9249.5490160332. The cubic root of 85554157 is about 440.6364017438.

The spelling of 85554157 in words is "eighty-five million, five hundred fifty-four thousand, one hundred fifty-seven".