556252316446 has 4 divisors (see below), whose sum is σ = 834378474672. Its totient is φ = 278126158222.

The previous prime is 556252316407. The next prime is 556252316491. The reversal of 556252316446 is 644613252655.

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

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 556252316446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139063079110 + ... + 139063079113.

It is an arithmetic number, because the mean of its divisors is an integer number (208594618668).

Almost surely, 2^556252316446 is an apocalyptic number.

556252316446 is a deficient number, since it is larger than the sum of its proper divisors (278126158226).

556252316446 is a wasteful number, since it uses less digits than its factorization.

556252316446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278126158225.

The product of its digits is 5184000, while the sum is 49.

The spelling of 556252316446 in words is "five hundred fifty-six billion, two hundred fifty-two million, three hundred sixteen thousand, four hundred forty-six".