556520733253 has 4 divisors (see below), whose sum is σ = 557922549100. Its totient is φ = 555118917408.

The previous prime is 556520733217. The next prime is 556520733299. The reversal of 556520733253 is 352337025655.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 332770920769 + 223749812484 = 576863^2 + 473022^2 .

It is a cyclic number.

It is not a de Polignac number, because 556520733253 - 2²¹ = 556518636101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556520733553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 700907328 + ... + 700908121.

It is an arithmetic number, because the mean of its divisors is an integer number (139480637275).

Almost surely, 2^556520733253 is an apocalyptic number.

It is an amenable number.

556520733253 is a deficient number, since it is larger than the sum of its proper divisors (1401815847).

556520733253 is a wasteful number, since it uses less digits than its factorization.

556520733253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401815846.

The product of its (nonzero) digits is 2835000, while the sum is 46.

The spelling of 556520733253 in words is "five hundred fifty-six billion, five hundred twenty million, seven hundred thirty-three thousand, two hundred fifty-three".