50653552661 has 16 divisors (see below), whose sum is σ = 52387872768. Its totient is φ = 48947358000.

The previous prime is 50653552627. The next prime is 50653552687. The reversal of 50653552661 is 16625535605.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50653552661 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 (50653551661) 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 15 ways as a sum of consecutive naturals, for example, 8231936 + ... + 8238086.

It is an arithmetic number, because the mean of its divisors is an integer number (3274242048).

Almost surely, 2^50653552661 is an apocalyptic number.

It is an amenable number.

50653552661 is a deficient number, since it is larger than the sum of its proper divisors (1734320107).

50653552661 is a wasteful number, since it uses less digits than its factorization.

50653552661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8392.

The product of its (nonzero) digits is 810000, while the sum is 44.

The spelling of 50653552661 in words is "fifty billion, six hundred fifty-three million, five hundred fifty-two thousand, six hundred sixty-one".