50551306439 has 2 divisors, whose sum is σ = 50551306440. Its totient is φ = 50551306438.

The previous prime is 50551306373. The next prime is 50551306451. The reversal of 50551306439 is 93460315505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50551306439 - 2²⁴ = 50534529223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50551306396 and 50551306405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50551306459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25275653219 + 25275653220.

It is an arithmetic number, because the mean of its divisors is an integer number (25275653220).

Almost surely, 2^50551306439 is an apocalyptic number.

50551306439 is a deficient number, since it is larger than the sum of its proper divisors (1).

50551306439 is an equidigital number, since it uses as much as digits as its factorization.

50551306439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 243000, while the sum is 41.

The spelling of 50551306439 in words is "fifty billion, five hundred fifty-one million, three hundred six thousand, four hundred thirty-nine".