50747833513 has 4 divisors (see below), whose sum is σ = 54651513028. Its totient is φ = 46844154000.

The previous prime is 50747833501. The next prime is 50747833519. The reversal of 50747833513 is 31533874705.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31533874705 = 5 ⋅6306774941.

It can be written as a sum of positive squares in 2 ways, for example, as 33557476969 + 17190356544 = 183187^2 + 131112^2 .

It is a cyclic number.

It is not a de Polignac number, because 50747833513 - 2²¹ = 50745736361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50747833519) 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, 1951839738 + ... + 1951839763.

It is an arithmetic number, because the mean of its divisors is an integer number (13662878257).

Almost surely, 2^50747833513 is an apocalyptic number.

It is an amenable number.

50747833513 is a deficient number, since it is larger than the sum of its proper divisors (3903679515).

50747833513 is a wasteful number, since it uses less digits than its factorization.

50747833513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3903679514.

The product of its (nonzero) digits is 1058400, while the sum is 46.

The spelling of 50747833513 in words is "fifty billion, seven hundred forty-seven million, eight hundred thirty-three thousand, five hundred thirteen".