56536005318 has 64 divisors (see below), whose sum is σ = 122754078720. Its totient is φ = 17255532672.

The previous prime is 56536005287. The next prime is 56536005349. The reversal of 56536005318 is 81350063565.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (56536005287) and next prime (56536005349).

It is a super-2 number, since 2×56536005318² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56536005318.

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, 6625971 + ... + 6634497.

It is an arithmetic number, because the mean of its divisors is an integer number (1918032480).

Almost surely, 2^56536005318 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56536005318, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61377039360).

56536005318 is an abundant number, since it is smaller than the sum of its proper divisors (66218073402).

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

56536005318 is a wasteful number, since it uses less digits than its factorization.

56536005318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9221.

The product of its (nonzero) digits is 324000, while the sum is 42.

The spelling of 56536005318 in words is "fifty-six billion, five hundred thirty-six million, five thousand, three hundred eighteen".