85155653 has 8 divisors (see below), whose sum is σ = 93380736. Its totient is φ = 77011200.

The previous prime is 85155641. The next prime is 85155671. The reversal of 85155653 is 35655158.

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 85155653 - 2²⁰ = 84107077 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 (85155673) 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, 17933 + ... + 22178.

It is an arithmetic number, because the mean of its divisors is an integer number (11672592).

Almost surely, 2^85155653 is an apocalyptic number.

It is an amenable number.

85155653 is a deficient number, since it is larger than the sum of its proper divisors (8225083).

85155653 is a wasteful number, since it uses less digits than its factorization.

85155653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40315.

The product of its digits is 90000, while the sum is 38.

The square root of 85155653 is about 9227.9820654355. The cubic root of 85155653 is about 439.9511877669.

The spelling of 85155653 in words is "eighty-five million, one hundred fifty-five thousand, six hundred fifty-three".