50505005437 has 2 divisors, whose sum is σ = 50505005438. Its totient is φ = 50505005436.

The previous prime is 50505005393. The next prime is 50505005461. The reversal of 50505005437 is 73450050505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25555539321 + 24949466116 = 159861^2 + 157954^2 .

It is a cyclic number.

It is not a de Polignac number, because 50505005437 - 2³¹ = 48357521789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50505005137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25252502718 + 25252502719.

It is an arithmetic number, because the mean of its divisors is an integer number (25252502719).

Almost surely, 2^50505005437 is an apocalyptic number.

It is an amenable number.

50505005437 is a deficient number, since it is larger than the sum of its proper divisors (1).

50505005437 is an equidigital number, since it uses as much as digits as its factorization.

50505005437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52500, while the sum is 34.

The spelling of 50505005437 in words is "fifty billion, five hundred five million, five thousand, four hundred thirty-seven".