85513356 has 72 divisors (see below), whose sum is σ = 227485440. Its totient is φ = 27032544.

The previous prime is 85513339. The next prime is 85513411. The reversal of 85513356 is 65331558.

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

It is a self number, because there is not a number n which added to its sum of digits gives 85513356.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 114721 + ... + 115463.

It is an arithmetic number, because the mean of its divisors is an integer number (3159520).

Almost surely, 2^85513356 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 85513356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113742720).

85513356 is an abundant number, since it is smaller than the sum of its proper divisors (141972084).

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

85513356 is a wasteful number, since it uses less digits than its factorization.

85513356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915 (or 910 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 85513356 is about 9247.3431860183. The cubic root of 85513356 is about 440.5663437236.

The spelling of 85513356 in words is "eighty-five million, five hundred thirteen thousand, three hundred fifty-six".