50826831553 has 4 divisors (see below), whose sum is σ = 50843037060. Its totient is φ = 50810626048.

The previous prime is 50826831547. The next prime is 50826831631. The reversal of 50826831553 is 35513862805.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33199755264 + 17627076289 = 182208^2 + 132767^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50826831553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50826831533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8098048 + ... + 8104321.

It is an arithmetic number, because the mean of its divisors is an integer number (12710759265).

Almost surely, 2^50826831553 is an apocalyptic number.

It is an amenable number.

50826831553 is a deficient number, since it is larger than the sum of its proper divisors (16205507).

50826831553 is a wasteful number, since it uses less digits than its factorization.

50826831553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16205506.

The product of its (nonzero) digits is 864000, while the sum is 46.

The spelling of 50826831553 in words is "fifty billion, eight hundred twenty-six million, eight hundred thirty-one thousand, five hundred fifty-three".