56855038103310 has 128 divisors (see below), whose sum is σ = 144381386373120. Its totient is φ = 14288729619456.

The previous prime is 56855038103251. The next prime is 56855038103333. The reversal of 56855038103310 is 1330183055865.

It is a super-2 number, since 2×56855038103310² (a number of 28 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 56855038103310.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 146295372 + ... + 146683488.

It is an arithmetic number, because the mean of its divisors is an integer number (1127979581040).

Almost surely, 2^{56855038103310} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56855038103310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72190693186560).

56855038103310 is an abundant number, since it is smaller than the sum of its proper divisors (87526348269810).

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

56855038103310 is a wasteful number, since it uses less digits than its factorization.

56855038103310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389482.

The product of its (nonzero) digits is 1296000, while the sum is 48.

The spelling of 56855038103310 in words is "fifty-six trillion, eight hundred fifty-five billion, thirty-eight million, one hundred three thousand, three hundred ten".