50561066615 has 8 divisors (see below), whose sum is σ = 60829254720. Its totient is φ = 40344870112.

The previous prime is 50561066593. The next prime is 50561066639. The reversal of 50561066615 is 51666016505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50561066615 - 2¹⁸ = 50560804471 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12995759 + ... + 12999648.

It is an arithmetic number, because the mean of its divisors is an integer number (7603656840).

Almost surely, 2^50561066615 is an apocalyptic number.

50561066615 is a deficient number, since it is larger than the sum of its proper divisors (10268188105).

50561066615 is a wasteful number, since it uses less digits than its factorization.

50561066615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25995801.

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 50561066615 in words is "fifty billion, five hundred sixty-one million, sixty-six thousand, six hundred fifteen".