53090085 has 32 divisors (see below), whose sum is σ = 90288000. Its totient is φ = 26562816.

The previous prime is 53090071. The next prime is 53090087. The reversal of 53090085 is 58009035.

It is not a de Polignac number, because 53090085 - 2¹³ = 53081893 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53090087) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30211 + ... + 31919.

It is an arithmetic number, because the mean of its divisors is an integer number (2821500).

Almost surely, 2^53090085 is an apocalyptic number.

It is an amenable number.

53090085 is a deficient number, since it is larger than the sum of its proper divisors (37197915).

53090085 is a wasteful number, since it uses less digits than its factorization.

53090085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 53090085 is about 7286.2943256500. The cubic root of 53090085 is about 375.8412757136.

The spelling of 53090085 in words is "fifty-three million, ninety thousand, eighty-five".