85533566 has 8 divisors (see below), whose sum is σ = 131768040. Its totient is φ = 41610888.

The previous prime is 85533517. The next prime is 85533631. The reversal of 85533566 is 66533558.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 577856 + ... + 578003.

It is an arithmetic number, because the mean of its divisors is an integer number (16471005).

Almost surely, 2^85533566 is an apocalyptic number.

85533566 is a deficient number, since it is larger than the sum of its proper divisors (46234474).

85533566 is a wasteful number, since it uses less digits than its factorization.

85533566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155898.

The product of its digits is 324000, while the sum is 41.

The square root of 85533566 is about 9248.4358677562. The cubic root of 85533566 is about 440.6010484172.

The spelling of 85533566 in words is "eighty-five million, five hundred thirty-three thousand, five hundred sixty-six".