83564532 has 36 divisors (see below), whose sum is σ = 214818240. Its totient is φ = 27382032.

The previous prime is 83564501. The next prime is 83564557. The reversal of 83564532 is 23546538.

It is a happy number.

83564532 is a `hidden beast` number, since 8 + 3 + 5 + 645 + 3 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17548 + ... + 21795.

Almost surely, 2^83564532 is an apocalyptic number.

It is an amenable number.

83564532 is an abundant number, since it is smaller than the sum of its proper divisors (131253708).

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

83564532 is a wasteful number, since it uses less digits than its factorization.

83564532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39412 (or 39407 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 83564532 is about 9141.3637932204. The cubic root of 83564532 is about 437.1938006575.

The spelling of 83564532 in words is "eighty-three million, five hundred sixty-four thousand, five hundred thirty-two".