56328780028431 has 8 divisors (see below), whose sum is σ = 75111273386800. Its totient is φ = 37549403344512.

The previous prime is 56328780028429. The next prime is 56328780028447. The reversal of 56328780028431 is 13482008782365.

56328780028431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56328780028431 - 2¹ = 56328780028429 is a prime.

It is a super-2 number, since 2×56328780028431² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56328780028471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 779126440 + ... + 779198733.

It is an arithmetic number, because the mean of its divisors is an integer number (9388909173350).

Almost surely, 2^{56328780028431} is an apocalyptic number.

56328780028431 is a deficient number, since it is larger than the sum of its proper divisors (18782493358369).

56328780028431 is a wasteful number, since it uses less digits than its factorization.

56328780028431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558337225.

The product of its (nonzero) digits is 15482880, while the sum is 57.

The spelling of 56328780028431 in words is "fifty-six trillion, three hundred twenty-eight billion, seven hundred eighty million, twenty-eight thousand, four hundred thirty-one".