56816181048 has 128 divisors (see below), whose sum is σ = 161550132480. Its totient is φ = 16499159040.

The previous prime is 56816181047. The next prime is 56816181067. The reversal of 56816181048 is 84018161865.

It is a super-2 number, since 2×56816181048² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56816180988 and 56816181006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56816181041) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 554440 + ... + 648872.

It is an arithmetic number, because the mean of its divisors is an integer number (1262110410).

Almost surely, 2^56816181048 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 56816181048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80775066240).

56816181048 is an abundant number, since it is smaller than the sum of its proper divisors (104733951432).

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

56816181048 is a wasteful number, since it uses less digits than its factorization.

56816181048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94549 (or 94545 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 48.

The spelling of 56816181048 in words is "fifty-six billion, eight hundred sixteen million, one hundred eighty-one thousand, forty-eight".