85564632 has 32 divisors (see below), whose sum is σ = 217540800. Its totient is φ = 28037664.

The previous prime is 85564607. The next prime is 85564643. The reversal of 85564632 is 23646558.

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 7 ways as a sum of consecutive naturals, for example, 28798 + ... + 31629.

It is an arithmetic number, because the mean of its divisors is an integer number (6798150).

Almost surely, 2^85564632 is an apocalyptic number.

It is an amenable number.

85564632 is an abundant number, since it is smaller than the sum of its proper divisors (131976168).

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

85564632 is a wasteful number, since it uses less digits than its factorization.

85564632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60495 (or 60491 counting only the distinct ones).

The product of its digits is 172800, while the sum is 39.

The square root of 85564632 is about 9250.1152425254. The cubic root of 85564632 is about 440.6543844193.

The spelling of 85564632 in words is "eighty-five million, five hundred sixty-four thousand, six hundred thirty-two".