56818247430 has 96 divisors (see below), whose sum is σ = 159769048320. Its totient is φ = 12893549760.

The previous prime is 56818247401. The next prime is 56818247449. The reversal of 56818247430 is 3474281865.

It is a self number, because there is not a number n which added to its sum of digits gives 56818247430.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 65295 + ... + 343365.

It is an arithmetic number, because the mean of its divisors is an integer number (1664260920).

Almost surely, 2^56818247430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56818247430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79884524160).

56818247430 is an abundant number, since it is smaller than the sum of its proper divisors (102950800890).

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

56818247430 is a wasteful number, since it uses less digits than its factorization.

56818247430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278234 (or 278227 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 56818247430 in words is "fifty-six billion, eight hundred eighteen million, two hundred forty-seven thousand, four hundred thirty".