85466556 has 48 divisors (see below), whose sum is σ = 253236480. Its totient is φ = 24418800.

The previous prime is 85466543. The next prime is 85466569. The reversal of 85466556 is 65566458.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (85466543) and next prime (85466569).

It is a super-2 number, since 2×85466556² = 14609064389002272, which contains 22 as substring.

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, 55770 + ... + 57281.

It is an arithmetic number, because the mean of its divisors is an integer number (5275760).

Almost surely, 2^85466556 is an apocalyptic number.

It is an amenable number.

85466556 is an abundant number, since it is smaller than the sum of its proper divisors (167769924).

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

85466556 is a wasteful number, since it uses less digits than its factorization.

85466556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113071 (or 113063 counting only the distinct ones).

The product of its digits is 864000, while the sum is 45.

The square root of 85466556 is about 9244.8123831693. The cubic root of 85466556 is about 440.4859575774.

The spelling of 85466556 in words is "eighty-five million, four hundred sixty-six thousand, five hundred fifty-six".