50665601010561 has 64 divisors (see below), whose sum is σ = 72866710425600. Its totient is φ = 31264472295936.

The previous prime is 50665601010539. The next prime is 50665601010571. The reversal of 50665601010561 is 16501010656605.

It is not a de Polignac number, because 50665601010561 - 2⁵ = 50665601010529 is a prime.

It is a super-2 number, since 2×50665601010561² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50665601010571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26469726 + ... + 28319208.

It is an arithmetic number, because the mean of its divisors is an integer number (1138542350400).

Almost surely, 2^{50665601010561} is an apocalyptic number.

It is an amenable number.

50665601010561 is a deficient number, since it is larger than the sum of its proper divisors (22201109415039).

50665601010561 is a wasteful number, since it uses less digits than its factorization.

50665601010561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1849718.

The product of its (nonzero) digits is 162000, while the sum is 42.

The spelling of 50665601010561 in words is "fifty trillion, six hundred sixty-five billion, six hundred one million, ten thousand, five hundred sixty-one".