85900556 has 12 divisors (see below), whose sum is σ = 171801168. Its totient is φ = 36814512.

The previous prime is 85900553. The next prime is 85900559. The reversal of 85900556 is 65500958.

It is an interprime number because it is at equal distance from previous prime (85900553) and next prime (85900559).

85900556 is an admirable number.

It is a super-2 number, since 2×85900556² = 14757811042218272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85900553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1533911 + ... + 1533966.

It is an arithmetic number, because the mean of its divisors is an integer number (14316764).

Almost surely, 2^85900556 is an apocalyptic number.

It is an amenable number.

85900556 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

85900556 is a wasteful number, since it uses less digits than its factorization.

85900556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3067888 (or 3067886 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 38.

The square root of 85900556 is about 9268.2552834932. The cubic root of 85900556 is about 441.2302963967.

The spelling of 85900556 in words is "eighty-five million, nine hundred thousand, five hundred fifty-six".