50722061563 has 4 divisors (see below), whose sum is σ = 50855893240. Its totient is φ = 50588229888.

The previous prime is 50722061549. The next prime is 50722061597. The reversal of 50722061563 is 36516022705.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36516022705 = 5 ⋅7303204541.

It is a cyclic number.

It is not a de Polignac number, because 50722061563 - 2⁵ = 50722061531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50722061963) by changing a digit.

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, 66915270 + ... + 66916027.

It is an arithmetic number, because the mean of its divisors is an integer number (12713973310).

Almost surely, 2^50722061563 is an apocalyptic number.

50722061563 is a deficient number, since it is larger than the sum of its proper divisors (133831677).

50722061563 is a wasteful number, since it uses less digits than its factorization.

50722061563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133831676.

The product of its (nonzero) digits is 75600, while the sum is 37.

The spelling of 50722061563 in words is "fifty billion, seven hundred twenty-two million, sixty-one thousand, five hundred sixty-three".