85125560 has 64 divisors (see below), whose sum is σ = 208051200. Its totient is φ = 31159296.

The previous prime is 85125559. The next prime is 85125589. The reversal of 85125560 is 6552158.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65396 + ... + 66684.

It is an arithmetic number, because the mean of its divisors is an integer number (3250800).

Almost surely, 2^85125560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85125560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104025600).

85125560 is an abundant number, since it is smaller than the sum of its proper divisors (122925640).

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

85125560 is a wasteful number, since it uses less digits than its factorization.

85125560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440 (or 1436 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 85125560 is about 9226.3513915307. The cubic root of 85125560 is about 439.8993571466.

The spelling of 85125560 in words is "eighty-five million, one hundred twenty-five thousand, five hundred sixty".