50640553063 has 4 divisors (see below), whose sum is σ = 50642118400. Its totient is φ = 50638987728.

The previous prime is 50640553039. The next prime is 50640553091. The reversal of 50640553063 is 36035504605.

50640553063 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 50640553063 - 2²¹ = 50638455911 is a prime.

It is a super-2 number, since 2×50640553063² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50640553013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 733095 + ... + 799192.

It is an arithmetic number, because the mean of its divisors is an integer number (12660529600).

Almost surely, 2^50640553063 is an apocalyptic number.

50640553063 is a deficient number, since it is larger than the sum of its proper divisors (1565337).

50640553063 is a wasteful number, since it uses less digits than its factorization.

50640553063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565336.

The product of its (nonzero) digits is 162000, while the sum is 37.

The spelling of 50640553063 in words is "fifty billion, six hundred forty million, five hundred fifty-three thousand, sixty-three".