50610665621 has 8 divisors (see below), whose sum is σ = 50995027200. Its totient is φ = 50226951600.

The previous prime is 50610665593. The next prime is 50610665683. The reversal of 50610665621 is 12656601605.

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 50610665621 - 2¹⁸ = 50610403477 is a prime.

It is a super-3 number, since 3×50610665621³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50610625621) 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 7 ways as a sum of consecutive naturals, for example, 4406 + ... + 318183.

It is an arithmetic number, because the mean of its divisors is an integer number (6374378400).

Almost surely, 2^50610665621 is an apocalyptic number.

It is an amenable number.

50610665621 is a deficient number, since it is larger than the sum of its proper divisors (384361579).

50610665621 is a wasteful number, since it uses less digits than its factorization.

50610665621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323779.

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 50610665621 in words is "fifty billion, six hundred ten million, six hundred sixty-five thousand, six hundred twenty-one".