85000056 has 16 divisors (see below), whose sum is σ = 212500200. Its totient is φ = 28333344.

The previous prime is 85000043. The next prime is 85000067. The reversal of 85000056 is 65000058.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 3541669 = 85000056 / (8 + 5 + 0 + 0 + 0 + 0 + 5 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1770811 + ... + 1770858.

Almost surely, 2^85000056 is an apocalyptic number.

It is an amenable number.

85000056 is an abundant number, since it is smaller than the sum of its proper divisors (127500144).

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

85000056 is a wasteful number, since it uses less digits than its factorization.

85000056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3541678 (or 3541674 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 85000056 is about 9219.5474943188. The cubic root of 85000056 is about 439.6830637736.

The spelling of 85000056 in words is "eighty-five million, fifty-six", and thus it is an aban number and an uban number.