50965589815549 has 4 divisors (see below), whose sum is σ = 51035693791264. Its totient is φ = 50895485839836.

The previous prime is 50965589815507. The next prime is 50965589815627. The reversal of 50965589815549 is 94551898556905.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50965589815549 - 2⁷ = 50965589815421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50965589815649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35051986767 + ... + 35051988220.

It is an arithmetic number, because the mean of its divisors is an integer number (12758923447816).

Almost surely, 2^{50965589815549} is an apocalyptic number.

It is an amenable number.

50965589815549 is a deficient number, since it is larger than the sum of its proper divisors (70103975715).

50965589815549 is an equidigital number, since it uses as much as digits as its factorization.

50965589815549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70103975714.

The product of its (nonzero) digits is 3499200000, while the sum is 79.

The spelling of 50965589815549 in words is "fifty trillion, nine hundred sixty-five billion, five hundred eighty-nine million, eight hundred fifteen thousand, five hundred forty-nine".