53356686 has 8 divisors (see below), whose sum is σ = 106713384. Its totient is φ = 17785560.

The previous prime is 53356663. The next prime is 53356687. The reversal of 53356686 is 68665335.

It is a sphenic number, since it is the product of 3 distinct primes.

53356686 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53356687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4446385 + ... + 4446396.

It is an arithmetic number, because the mean of its divisors is an integer number (13339173).

Almost surely, 2^53356686 is an apocalyptic number.

53356686 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

53356686 is a wasteful number, since it uses less digits than its factorization.

53356686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8892786.

The product of its digits is 388800, while the sum is 42.

The square root of 53356686 is about 7304.5661062106. The cubic root of 53356686 is about 376.4693427875.

It can be divided in two parts, 5335 and 6686, that added together give a palindrome (12021).

The spelling of 53356686 in words is "fifty-three million, three hundred fifty-six thousand, six hundred eighty-six".