85591452 has 24 divisors (see below), whose sum is σ = 199939600. Its totient is φ = 28498176.

The previous prime is 85591439. The next prime is 85591459. The reversal of 85591452 is 25419558.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 85591452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85591459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8574 + ... + 15642.

Almost surely, 2^85591452 is an apocalyptic number.

It is an amenable number.

85591452 is an abundant number, since it is smaller than the sum of its proper divisors (114348148).

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

85591452 is a wasteful number, since it uses less digits than its factorization.

85591452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8085 (or 8083 counting only the distinct ones).

The product of its digits is 72000, while the sum is 39.

The square root of 85591452 is about 9251.5648406094. The cubic root of 85591452 is about 440.7004202471.

It can be divided in two parts, 8559 and 1452, that added together give a triangular number (10011 = T₁₄₁).

The spelling of 85591452 in words is "eighty-five million, five hundred ninety-one thousand, four hundred fifty-two".