552221363122256 has 20 divisors (see below), whose sum is σ = 1081950563985300. Its totient is φ = 273008314351872.

The previous prime is 552221363122207. The next prime is 552221363122337. The reversal of 552221363122256 is 652221363122255.

It can be written as a sum of positive squares in 2 ways, for example, as 72623802241600 + 479597560880656 = 8521960^2 + 21899716^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 552221363122256.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193897949111 + ... + 193897951958.

It is an arithmetic number, because the mean of its divisors is an integer number (54097528199265).

Almost surely, 2^{552221363122256} is an apocalyptic number.

It is an amenable number.

552221363122256 is a deficient number, since it is larger than the sum of its proper divisors (529729200863044).

552221363122256 is a wasteful number, since it uses less digits than its factorization.

552221363122256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387795901166 (or 387795901160 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 47.

Subtracting 552221363122256 from its reverse (652221363122255), we obtain a palindrome (99999999999999).

The spelling of 552221363122256 in words is "five hundred fifty-two trillion, two hundred twenty-one billion, three hundred sixty-three million, one hundred twenty-two thousand, two hundred fifty-six".