85572560 has 40 divisors (see below), whose sum is σ = 210662856. Its totient is φ = 32215040.

The previous prime is 85572559. The next prime is 85572589. The reversal of 85572560 is 6527558.

It can be written as a sum of positive squares in 4 ways, for example, as 20866624 + 64705936 = 4568^2 + 8044^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30101 + ... + 32820.

Almost surely, 2^85572560 is an apocalyptic number.

85572560 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

85572560 is an abundant number, since it is smaller than the sum of its proper divisors (125090296).

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

85572560 is a wasteful number, since it uses less digits than its factorization.

85572560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62951 (or 62945 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 38.

The square root of 85572560 is about 9250.5437678009. The cubic root of 85572560 is about 440.6679936252.

The spelling of 85572560 in words is "eighty-five million, five hundred seventy-two thousand, five hundred sixty".