85274555 has 8 divisors (see below), whose sum is σ = 102386592. Its totient is φ = 68181568.

The previous prime is 85274507. The next prime is 85274569. The reversal of 85274555 is 55547258.

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 85274555 - 2²⁰ = 84225979 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8402 + ... + 15528.

It is an arithmetic number, because the mean of its divisors is an integer number (12798324).

Almost surely, 2^85274555 is an apocalyptic number.

85274555 is a deficient number, since it is larger than the sum of its proper divisors (17112037).

85274555 is a wasteful number, since it uses less digits than its factorization.

85274555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9525.

The product of its digits is 280000, while the sum is 41.

The square root of 85274555 is about 9234.4222883730. The cubic root of 85274555 is about 440.1558590405.

The spelling of 85274555 in words is "eighty-five million, two hundred seventy-four thousand, five hundred fifty-five".