85915453 has 8 divisors (see below), whose sum is σ = 92760696. Its totient is φ = 79104000.

The previous prime is 85915447. The next prime is 85915457. The reversal of 85915453 is 35451958.

It can be written as a sum of positive squares in 4 ways, for example, as 19035769 + 66879684 = 4363^2 + 8178^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85915453 - 2⁵ = 85915421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85915457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3028 + ... + 13453.

It is an arithmetic number, because the mean of its divisors is an integer number (11595087).

Almost surely, 2^85915453 is an apocalyptic number.

It is an amenable number.

85915453 is a deficient number, since it is larger than the sum of its proper divisors (6845243).

85915453 is a wasteful number, since it uses less digits than its factorization.

85915453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16895.

The product of its digits is 108000, while the sum is 40.

The square root of 85915453 is about 9269.0589058437. The cubic root of 85915453 is about 441.2558011901.

It can be divided in two parts, 85915 and 453, that added together give a palindrome (86368).

The spelling of 85915453 in words is "eighty-five million, nine hundred fifteen thousand, four hundred fifty-three".