50257983166501 has 24 divisors (see below), whose sum is σ = 55459078483032. Its totient is φ = 45509859225600.

The previous prime is 50257983166487. The next prime is 50257983166511. The reversal of 50257983166501 is 10566138975205.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 37067823072225 + 13190160094276 = 6088335^2 + 3631826^2 .

It is not a de Polignac number, because 50257983166501 - 2⁷ = 50257983166373 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 (50257983166511) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93336295 + ... + 93873211.

It is an arithmetic number, because the mean of its divisors is an integer number (2310794936793).

Almost surely, 2^{50257983166501} is an apocalyptic number.

It is an amenable number.

50257983166501 is a deficient number, since it is larger than the sum of its proper divisors (5201095316531).

50257983166501 is a wasteful number, since it uses less digits than its factorization.

50257983166501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539973 (or 539962 counting only the distinct ones).

The product of its (nonzero) digits is 13608000, while the sum is 58.

The spelling of 50257983166501 in words is "fifty trillion, two hundred fifty-seven billion, nine hundred eighty-three million, one hundred sixty-six thousand, five hundred one".