85452449556 has 24 divisors (see below), whose sum is σ = 199393899264. Its totient is φ = 28483456960.

The previous prime is 85452449549. The next prime is 85452449627. The reversal of 85452449556 is 65594425458.

It is a super-2 number, since 2×85452449556² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 85452449496 and 85452449505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 752176 + ... + 858296.

It is an arithmetic number, because the mean of its divisors is an integer number (8308079136).

Almost surely, 2^85452449556 is an apocalyptic number.

It is an amenable number.

85452449556 is an abundant number, since it is smaller than the sum of its proper divisors (113941449708).

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

85452449556 is a wasteful number, since it uses less digits than its factorization.

85452449556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173231 (or 173229 counting only the distinct ones).

The product of its digits is 34560000, while the sum is 57.

The spelling of 85452449556 in words is "eighty-five billion, four hundred fifty-two million, four hundred forty-nine thousand, five hundred fifty-six".