85533530 has 16 divisors (see below), whose sum is σ = 154077984. Its totient is φ = 34187280.

The previous prime is 85533517. The next prime is 85533631. The reversal of 85533530 is 3533558.

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, 15749 + ... + 20471.

It is an arithmetic number, because the mean of its divisors is an integer number (9629874).

Almost surely, 2^85533530 is an apocalyptic number.

85533530 is a deficient number, since it is larger than the sum of its proper divisors (68544454).

85533530 is a wasteful number, since it uses less digits than its factorization.

85533530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6541.

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 85533530 is about 9248.4339214810. The cubic root of 85533530 is about 440.6009866027.

The spelling of 85533530 in words is "eighty-five million, five hundred thirty-three thousand, five hundred thirty".