50556212313 has 4 divisors (see below), whose sum is σ = 67408283088. Its totient is φ = 33704141540.

The previous prime is 50556212299. The next prime is 50556212321. The reversal of 50556212313 is 31321265505.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50556212313 - 2⁹ = 50556211801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50556212323) 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, 8426035383 + ... + 8426035388.

It is an arithmetic number, because the mean of its divisors is an integer number (16852070772).

Almost surely, 2^50556212313 is an apocalyptic number.

It is an amenable number.

50556212313 is a deficient number, since it is larger than the sum of its proper divisors (16852070775).

50556212313 is a wasteful number, since it uses less digits than its factorization.

50556212313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16852070774.

The product of its (nonzero) digits is 27000, while the sum is 33.

Adding to 50556212313 its reverse (31321265505), we get a palindrome (81877477818).

The spelling of 50556212313 in words is "fifty billion, five hundred fifty-six million, two hundred twelve thousand, three hundred thirteen".