556213621253 has 8 divisors (see below), whose sum is σ = 589316768640. Its totient is φ = 523153218240.

The previous prime is 556213621211. The next prime is 556213621289. The reversal of 556213621253 is 352126312655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 556213621253 - 2¹⁰ = 556213620229 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 556213621253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556213621553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10659293 + ... + 10711346.

It is an arithmetic number, because the mean of its divisors is an integer number (73664596080).

Almost surely, 2^556213621253 is an apocalyptic number.

It is an amenable number.

556213621253 is a deficient number, since it is larger than the sum of its proper divisors (33103147387).

556213621253 is a wasteful number, since it uses less digits than its factorization.

556213621253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21372187.

The product of its digits is 324000, while the sum is 41.

The spelling of 556213621253 in words is "five hundred fifty-six billion, two hundred thirteen million, six hundred twenty-one thousand, two hundred fifty-three".