50515254739 has 4 divisors (see below), whose sum is σ = 50527846656. Its totient is φ = 50502662824.

The previous prime is 50515254679. The next prime is 50515254749. The reversal of 50515254739 is 93745251505.

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 50515254739 - 2⁷ = 50515254611 is a prime.

It is a super-2 number, since 2×50515254739² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50515254749) 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, 6289939 + ... + 6297964.

It is an arithmetic number, because the mean of its divisors is an integer number (12631961664).

Almost surely, 2^50515254739 is an apocalyptic number.

50515254739 is a deficient number, since it is larger than the sum of its proper divisors (12591917).

50515254739 is a wasteful number, since it uses less digits than its factorization.

50515254739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12591916.

The product of its (nonzero) digits is 945000, while the sum is 46.

The spelling of 50515254739 in words is "fifty billion, five hundred fifteen million, two hundred fifty-four thousand, seven hundred thirty-nine".