50826349809 has 9 divisors (see below), whose sum is σ = 73416815563. Its totient is φ = 33883782312.

The previous prime is 50826349787. The next prime is 50826349883. The reversal of 50826349809 is 90894362805.

The square root of 50826349809 is 225447.

It is a perfect power (a square), and thus also a powerful number.

50826349809 is a `hidden beast` number, since 508 + 26 + 34 + 9 + 80 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 713050209 + 50113299600 = 26703^2 + 223860^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 50826349809 - 2⁹ = 50826349297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50826349309) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 638767 + ... + 713915.

Almost surely, 2^50826349809 is an apocalyptic number.

50826349809 is the 225447-th square number.

50826349809 is the 112724-th centered octagonal number.

It is an amenable number.

50826349809 is a deficient number, since it is larger than the sum of its proper divisors (22590465754).

50826349809 is an frugal number, since it uses more digits than its factorization.

50826349809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150304 (or 75152 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 50826349809 in words is "fifty billion, eight hundred twenty-six million, three hundred forty-nine thousand, eight hundred nine".