556850781546 has 32 divisors (see below), whose sum is σ = 1116216028800. Its totient is φ = 185198064960.

The previous prime is 556850781533. The next prime is 556850781629. The reversal of 556850781546 is 645187058655.

It is a self number, because there is not a number n which added to its sum of digits gives 556850781546.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11186400 + ... + 11236068.

It is an arithmetic number, because the mean of its divisors is an integer number (34881750900).

Almost surely, 2^556850781546 is an apocalyptic number.

556850781546 is an abundant number, since it is smaller than the sum of its proper divisors (559365247254).

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

556850781546 is a wasteful number, since it uses less digits than its factorization.

556850781546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53854.

The product of its (nonzero) digits is 40320000, while the sum is 60.

The spelling of 556850781546 in words is "five hundred fifty-six billion, eight hundred fifty million, seven hundred eighty-one thousand, five hundred forty-six".