56751304405420 has 96 divisors (see below), whose sum is σ = 126008079422400. Its totient is φ = 21410144861184.

The previous prime is 56751304405349. The next prime is 56751304405427. The reversal of 56751304405420 is 2450440315765.

It is not an unprimeable number, because it can be changed into a prime (56751304405427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1875875014 + ... + 1875905266.

It is an arithmetic number, because the mean of its divisors is an integer number (1312584160650).

Almost surely, 2^{56751304405420} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56751304405420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63004039711200).

56751304405420 is an abundant number, since it is smaller than the sum of its proper divisors (69256775016980).

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

56751304405420 is a wasteful number, since it uses less digits than its factorization.

56751304405420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52067 (or 52065 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 46.

The spelling of 56751304405420 in words is "fifty-six trillion, seven hundred fifty-one billion, three hundred four million, four hundred five thousand, four hundred twenty".