50065520633621 has 4 divisors (see below), whose sum is σ = 50107207163244. Its totient is φ = 50023834104000.

The previous prime is 50065520633593. The next prime is 50065520633627. The reversal of 50065520633621 is 12633602556005.

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 1174869559396 + 48890651074225 = 1083914^2 + 6992185^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50065520633621 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 (50065520633627) 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, 20843263010 + ... + 20843265411.

It is an arithmetic number, because the mean of its divisors is an integer number (12526801790811).

Almost surely, 2^{50065520633621} is an apocalyptic number.

It is an amenable number.

50065520633621 is a deficient number, since it is larger than the sum of its proper divisors (41686529623).

50065520633621 is a wasteful number, since it uses less digits than its factorization.

50065520633621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41686529622.

The product of its (nonzero) digits is 972000, while the sum is 44.

The spelling of 50065520633621 in words is "fifty trillion, sixty-five billion, five hundred twenty million, six hundred thirty-three thousand, six hundred twenty-one".