56685300305502 has 128 divisors (see below), whose sum is σ = 127148543631360. Its totient is φ = 16700268381440.

The previous prime is 56685300305489. The next prime is 56685300305507. The reversal of 56685300305502 is 20550300358665.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56685300305507) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 529107313 + ... + 529214435.

It is an arithmetic number, because the mean of its divisors is an integer number (993347997120).

Almost surely, 2^{56685300305502} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56685300305502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63574271815680).

56685300305502 is an abundant number, since it is smaller than the sum of its proper divisors (70463243325858).

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

56685300305502 is a wasteful number, since it uses less digits than its factorization.

56685300305502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108318.

The product of its (nonzero) digits is 3240000, while the sum is 48.

The spelling of 56685300305502 in words is "fifty-six trillion, six hundred eighty-five billion, three hundred million, three hundred five thousand, five hundred two".