50782550503 has 4 divisors (see below), whose sum is σ = 50786651368. Its totient is φ = 50778449640.

The previous prime is 50782550477. The next prime is 50782550509. The reversal of 50782550503 is 30505528705.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50782550503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50782550509) 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, 2031801 + ... + 2056642.

It is an arithmetic number, because the mean of its divisors is an integer number (12696662842).

Almost surely, 2^50782550503 is an apocalyptic number.

50782550503 is a deficient number, since it is larger than the sum of its proper divisors (4100865).

50782550503 is a wasteful number, since it uses less digits than its factorization.

50782550503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4100864.

The product of its (nonzero) digits is 210000, while the sum is 40.

The spelling of 50782550503 in words is "fifty billion, seven hundred eighty-two million, five hundred fifty thousand, five hundred three".