556024355421 has 32 divisors (see below), whose sum is σ = 794649968640. Its totient is φ = 344812172544.

The previous prime is 556024355407. The next prime is 556024355431. The reversal of 556024355421 is 124553420655.

It is not a de Polignac number, because 556024355421 - 2⁹ = 556024354909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556024355431) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 285796 + ... + 1092578.

It is an arithmetic number, because the mean of its divisors is an integer number (24832811520).

Almost surely, 2^556024355421 is an apocalyptic number.

It is an amenable number.

556024355421 is a deficient number, since it is larger than the sum of its proper divisors (238625613219).

556024355421 is a wasteful number, since it uses less digits than its factorization.

556024355421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807025.

The product of its (nonzero) digits is 720000, while the sum is 42.

The spelling of 556024355421 in words is "five hundred fifty-six billion, twenty-four million, three hundred fifty-five thousand, four hundred twenty-one".