85025553 has 8 divisors (see below), whose sum is σ = 114964416. Its totient is φ = 55885200.

The previous prime is 85025543. The next prime is 85025569. The reversal of 85025553 is 35552058.

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

It is not a de Polignac number, because 85025553 - 2⁶ = 85025489 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (85025543) 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, 199378 + ... + 199803.

It is an arithmetic number, because the mean of its divisors is an integer number (14370552).

Almost surely, 2^85025553 is an apocalyptic number.

It is an amenable number.

85025553 is a deficient number, since it is larger than the sum of its proper divisors (29938863).

85025553 is a wasteful number, since it uses less digits than its factorization.

85025553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399255.

The product of its (nonzero) digits is 30000, while the sum is 33.

The square root of 85025553 is about 9220.9301591542. The cubic root of 85025553 is about 439.7270224832.

The spelling of 85025553 in words is "eighty-five million, twenty-five thousand, five hundred fifty-three".