50549431973 has 2 divisors, whose sum is σ = 50549431974. Its totient is φ = 50549431972.

The previous prime is 50549431943. The next prime is 50549431987. The reversal of 50549431973 is 37913494505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48188152324 + 2361279649 = 219518^2 + 48593^2 .

It is a cyclic number.

It is not a de Polignac number, because 50549431973 - 2¹⁰ = 50549430949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50549431913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25274715986 + 25274715987.

It is an arithmetic number, because the mean of its divisors is an integer number (25274715987).

Almost surely, 2^50549431973 is an apocalyptic number.

It is an amenable number.

50549431973 is a deficient number, since it is larger than the sum of its proper divisors (1).

50549431973 is an equidigital number, since it uses as much as digits as its factorization.

50549431973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2041200, while the sum is 50.

The spelling of 50549431973 in words is "fifty billion, five hundred forty-nine million, four hundred thirty-one thousand, nine hundred seventy-three".