53868364536 has 128 divisors (see below), whose sum is σ = 155807539200. Its totient is φ = 15202339200.

The previous prime is 53868364507. The next prime is 53868364567. The reversal of 53868364536 is 63546386835.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4534941 + ... + 4546803.

It is an arithmetic number, because the mean of its divisors is an integer number (1217246400).

Almost surely, 2^53868364536 is an apocalyptic number.

53868364536 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53868364536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77903769600).

53868364536 is an abundant number, since it is smaller than the sum of its proper divisors (101939174664).

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

53868364536 is a wasteful number, since it uses less digits than its factorization.

53868364536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12209 (or 12205 counting only the distinct ones).

The product of its digits is 37324800, while the sum is 57.

The spelling of 53868364536 in words is "fifty-three billion, eight hundred sixty-eight million, three hundred sixty-four thousand, five hundred thirty-six".