50556564655 has 4 divisors (see below), whose sum is σ = 60667877592. Its totient is φ = 40445251720.

The previous prime is 50556564629. The next prime is 50556564689. The reversal of 50556564655 is 55646565505.

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

It is not a de Polignac number, because 50556564655 - 2²³ = 50548176047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5055656461 + ... + 5055656470.

It is an arithmetic number, because the mean of its divisors is an integer number (15166969398).

Almost surely, 2^50556564655 is an apocalyptic number.

50556564655 is a deficient number, since it is larger than the sum of its proper divisors (10111312937).

50556564655 is a wasteful number, since it uses less digits than its factorization.

50556564655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10111312936.

The product of its (nonzero) digits is 13500000, while the sum is 52.

The spelling of 50556564655 in words is "fifty billion, five hundred fifty-six million, five hundred sixty-four thousand, six hundred fifty-five".