85557260 has 24 divisors (see below), whose sum is σ = 190239840. Its totient is φ = 32209664.

The previous prime is 85557161. The next prime is 85557271. The reversal of 85557260 is 6275558.

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, 125480 + ... + 126159.

It is an arithmetic number, because the mean of its divisors is an integer number (7926660).

Almost surely, 2^85557260 is an apocalyptic number.

It is an amenable number.

85557260 is an abundant number, since it is smaller than the sum of its proper divisors (104682580).

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

85557260 is a wasteful number, since it uses less digits than its factorization.

85557260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251665 (or 251663 counting only the distinct ones).

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

The square root of 85557260 is about 9249.7167524200. The cubic root of 85557260 is about 440.6417288889.

The spelling of 85557260 in words is "eighty-five million, five hundred fifty-seven thousand, two hundred sixty".