50617790939 has 4 divisors (see below), whose sum is σ = 51373280424. Its totient is φ = 49862301456.

The previous prime is 50617790933. The next prime is 50617790963. The reversal of 50617790939 is 93909771605.

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-50617790939 is a prime.

It is a super-3 number, since 3×50617790939³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50617790933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 377744642 + ... + 377744775.

It is an arithmetic number, because the mean of its divisors is an integer number (12843320106).

Almost surely, 2^50617790939 is an apocalyptic number.

50617790939 is a deficient number, since it is larger than the sum of its proper divisors (755489485).

50617790939 is an equidigital number, since it uses as much as digits as its factorization.

50617790939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755489484.

The product of its (nonzero) digits is 3214890, while the sum is 56.

The spelling of 50617790939 in words is "fifty billion, six hundred seventeen million, seven hundred ninety thousand, nine hundred thirty-nine".