85513460 has 48 divisors (see below), whose sum is σ = 188894160. Its totient is φ = 32471040.

The previous prime is 85513459. The next prime is 85513487. The reversal of 85513460 is 6431558.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 209764 + 85303696 = 458^2 + 9236^2 .

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 15 ways as a sum of consecutive naturals, for example, 34172 + ... + 36588.

It is an arithmetic number, because the mean of its divisors is an integer number (3935295).

Almost surely, 2^85513460 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85513460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94447080).

85513460 is an abundant number, since it is smaller than the sum of its proper divisors (103380700).

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

85513460 is a wasteful number, since it uses less digits than its factorization.

85513460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2516 (or 2514 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 85513460 is about 9247.3488092534. The cubic root of 85513460 is about 440.5665223268.

The spelling of 85513460 in words is "eighty-five million, five hundred thirteen thousand, four hundred sixty".