50520140549 has 2 divisors, whose sum is σ = 50520140550. Its totient is φ = 50520140548.

The previous prime is 50520140483. The next prime is 50520140563. The reversal of 50520140549 is 94504102505.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47092038049 + 3428102500 = 217007^2 + 58550^2 .

It is a cyclic number.

It is not a de Polignac number, because 50520140549 - 2²⁴ = 50503363333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50520140579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25260070274 + 25260070275.

It is an arithmetic number, because the mean of its divisors is an integer number (25260070275).

Almost surely, 2^50520140549 is an apocalyptic number.

It is an amenable number.

50520140549 is a deficient number, since it is larger than the sum of its proper divisors (1).

50520140549 is an equidigital number, since it uses as much as digits as its factorization.

50520140549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 50520140549 in words is "fifty billion, five hundred twenty million, one hundred forty thousand, five hundred forty-nine".