50661055515 has 32 divisors (see below), whose sum is σ = 92707845120. Its totient is φ = 23141718144.

The previous prime is 50661055477. The next prime is 50661055661. The reversal of 50661055515 is 51555016605.

It is not a de Polignac number, because 50661055515 - 2³⁰ = 49587313691 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 44404 + ... + 321393.

It is an arithmetic number, because the mean of its divisors is an integer number (2897120160).

Almost surely, 2^50661055515 is an apocalyptic number.

50661055515 is a deficient number, since it is larger than the sum of its proper divisors (42046789605).

50661055515 is a wasteful number, since it uses less digits than its factorization.

50661055515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367131.

The product of its (nonzero) digits is 112500, while the sum is 39.

The spelling of 50661055515 in words is "fifty billion, six hundred sixty-one million, fifty-five thousand, five hundred fifteen".