85055491 has 8 divisors (see below), whose sum is σ = 85953024. Its totient is φ = 84162240.

The previous prime is 85055483. The next prime is 85055501. The reversal of 85055491 is 19455058.

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 85055491 - 2³ = 85055483 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85055491.

It is not an unprimeable number, because it can be changed into a prime (85055401) 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, 51661 + ... + 53281.

It is an arithmetic number, because the mean of its divisors is an integer number (10744128).

Almost surely, 2^85055491 is an apocalyptic number.

85055491 is a deficient number, since it is larger than the sum of its proper divisors (897533).

85055491 is a wasteful number, since it uses less digits than its factorization.

85055491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2141.

The product of its (nonzero) digits is 36000, while the sum is 37.

The square root of 85055491 is about 9222.5533882976. The cubic root of 85055491 is about 439.7786265886.

The spelling of 85055491 in words is "eighty-five million, fifty-five thousand, four hundred ninety-one".