53305086 has 16 divisors (see below), whose sum is σ = 109491984. Its totient is φ = 17288064.

The previous prime is 53305069. The next prime is 53305093. The reversal of 53305086 is 68050335.

It is a Curzon number.

It is a congruent 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, 119835 + ... + 120278.

It is an arithmetic number, because the mean of its divisors is an integer number (6843249).

Almost surely, 2^53305086 is an apocalyptic number.

53305086 is an abundant number, since it is smaller than the sum of its proper divisors (56186898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53305086 is a wasteful number, since it uses less digits than its factorization.

53305086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240155.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 53305086 is about 7301.0332145526. The cubic root of 53305086 is about 376.3479454207.

The spelling of 53305086 in words is "fifty-three million, three hundred five thousand, eighty-six".