85573506 has 8 divisors (see below), whose sum is σ = 171147024. Its totient is φ = 28524500.

The previous prime is 85573493. The next prime is 85573513. The reversal of 85573506 is 60537558.

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

85573506 is an admirable number.

It is a Curzon 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, 7131120 + ... + 7131131.

It is an arithmetic number, because the mean of its divisors is an integer number (21393378).

Almost surely, 2^85573506 is an apocalyptic number.

85573506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

85573506 is a wasteful number, since it uses less digits than its factorization.

85573506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14262256.

The product of its (nonzero) digits is 126000, while the sum is 39.

The square root of 85573506 is about 9250.5948997889. The cubic root of 85573506 is about 440.6696174727.

The spelling of 85573506 in words is "eighty-five million, five hundred seventy-three thousand, five hundred six".