85558452 has 48 divisors (see below), whose sum is σ = 228638592. Its totient is φ = 24393600.

The previous prime is 85558391. The next prime is 85558453. The reversal of 85558452 is 25485558.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85558453) 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 15 ways as a sum of consecutive naturals, for example, 58158 + ... + 59610.

It is an arithmetic number, because the mean of its divisors is an integer number (4763304).

Almost surely, 2^85558452 is an apocalyptic number.

It is an amenable number.

85558452 is an abundant number, since it is smaller than the sum of its proper divisors (143080140).

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

85558452 is a wasteful number, since it uses less digits than its factorization.

85558452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2168 (or 2166 counting only the distinct ones).

The product of its digits is 320000, while the sum is 42.

The square root of 85558452 is about 9249.7811866011. The cubic root of 85558452 is about 440.6437752474.

The spelling of 85558452 in words is "eighty-five million, five hundred fifty-eight thousand, four hundred fifty-two".