50666840357 has 16 divisors (see below), whose sum is σ = 58097020800. Its totient is φ = 43284791232.

The previous prime is 50666840353. The next prime is 50666840381. The reversal of 50666840357 is 75304866605.

It is a cyclic number.

It is not a de Polignac number, because 50666840357 - 2² = 50666840353 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50666840353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8897003 + ... + 8902695.

It is an arithmetic number, because the mean of its divisors is an integer number (3631063800).

Almost surely, 2^50666840357 is an apocalyptic number.

It is an amenable number.

50666840357 is a deficient number, since it is larger than the sum of its proper divisors (7430180443).

50666840357 is a wasteful number, since it uses less digits than its factorization.

50666840357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9692.

The product of its (nonzero) digits is 3628800, while the sum is 50.

The spelling of 50666840357 in words is "fifty billion, six hundred sixty-six million, eight hundred forty thousand, three hundred fifty-seven".