50101550661566 has 16 divisors (see below), whose sum is σ = 76986519337728. Its totient is φ = 24439396752000.

The previous prime is 50101550661563. The next prime is 50101550661649. The reversal of 50101550661566 is 66516605510105.

It is a self number, because there is not a number n which added to its sum of digits gives 50101550661566.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50101550661563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 484466 + ... + 10021866.

It is an arithmetic number, because the mean of its divisors is an integer number (4811657458608).

Almost surely, 2^{50101550661566} is an apocalyptic number.

50101550661566 is a deficient number, since it is larger than the sum of its proper divisors (26884968676162).

50101550661566 is a wasteful number, since it uses less digits than its factorization.

50101550661566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9601507.

The product of its (nonzero) digits is 810000, while the sum is 47.

The spelling of 50101550661566 in words is "fifty trillion, one hundred one billion, five hundred fifty million, six hundred sixty-one thousand, five hundred sixty-six".