50010621065 has 8 divisors (see below), whose sum is σ = 60016491528. Its totient is φ = 40005999360.

The previous prime is 50010621041. The next prime is 50010621083. The reversal of 50010621065 is 56012601005.

It can be written as a sum of positive squares in 4 ways, for example, as 13371684496 + 36638936569 = 115636^2 + 191413^2 .

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

It is not a de Polignac number, because 50010621065 - 2¹² = 50010616969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 221696 + ... + 386225.

It is an arithmetic number, because the mean of its divisors is an integer number (7502061441).

Almost surely, 2^50010621065 is an apocalyptic number.

It is an amenable number.

50010621065 is a deficient number, since it is larger than the sum of its proper divisors (10005870463).

50010621065 is a wasteful number, since it uses less digits than its factorization.

50010621065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624379.

The product of its (nonzero) digits is 1800, while the sum is 26.

The spelling of 50010621065 in words is "fifty billion, ten million, six hundred twenty-one thousand, sixty-five".