556232538463 has 16 divisors (see below), whose sum is σ = 637002999360. Its totient is φ = 475790112000.

The previous prime is 556232538397. The next prime is 556232538481. The reversal of 556232538463 is 364835232655.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-556232538463 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 556232538463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556232538163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7919283 + ... + 7989211.

It is an arithmetic number, because the mean of its divisors is an integer number (39812687460).

Almost surely, 2^556232538463 is an apocalyptic number.

556232538463 is a deficient number, since it is larger than the sum of its proper divisors (80770460897).

556232538463 is a wasteful number, since it uses less digits than its factorization.

556232538463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72258.

The product of its digits is 15552000, while the sum is 52.

The spelling of 556232538463 in words is "five hundred fifty-six billion, two hundred thirty-two million, five hundred thirty-eight thousand, four hundred sixty-three".