53686853 has 24 divisors (see below), whose sum is σ = 62512128. Its totient is φ = 45980000.

The previous prime is 53686849. The next prime is 53686907. The reversal of 53686853 is 35868635.

It is not a de Polignac number, because 53686853 - 2² = 53686849 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53680853) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 280988 + ... + 281178.

It is an arithmetic number, because the mean of its divisors is an integer number (2604672).

Almost surely, 2^53686853 is an apocalyptic number.

It is an amenable number.

53686853 is a deficient number, since it is larger than the sum of its proper divisors (8825275).

53686853 is a wasteful number, since it uses less digits than its factorization.

53686853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337 (or 326 counting only the distinct ones).

The product of its digits is 518400, while the sum is 44.

The square root of 53686853 is about 7327.1312940332. The cubic root of 53686853 is about 377.2442675374.

It can be divided in two parts, 5368 and 6853, that added together give a palindrome (12221).

The spelling of 53686853 in words is "fifty-three million, six hundred eighty-six thousand, eight hundred fifty-three".