85525560 has 48 divisors (see below), whose sum is σ = 277959240. Its totient is φ = 22806720.

The previous prime is 85525547. The next prime is 85525619. The reversal of 85525560 is 6552558.

85525560 is a `hidden beast` number, since 85 + 525 + 56 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118426 + ... + 119145.

Almost surely, 2^85525560 is an apocalyptic number.

It is an amenable number.

85525560 is an abundant number, since it is smaller than the sum of its proper divisors (192433680).

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

85525560 is a wasteful number, since it uses less digits than its factorization.

85525560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237588 (or 237581 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The square root of 85525560 is about 9248.0030276812. The cubic root of 85525560 is about 440.5873011356.

The spelling of 85525560 in words is "eighty-five million, five hundred twenty-five thousand, five hundred sixty".