50644137625 has 32 divisors (see below), whose sum is σ = 63693586944. Its totient is φ = 40202136000.

The previous prime is 50644137619. The next prime is 50644137637. The reversal of 50644137625 is 52673144605.

It is not a de Polignac number, because 50644137625 - 2⁷ = 50644137497 is a prime.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

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 31 ways as a sum of consecutive naturals, for example, 20232124 + ... + 20234626.

It is an arithmetic number, because the mean of its divisors is an integer number (1990424592).

Almost surely, 2^50644137625 is an apocalyptic number.

It is an amenable number.

50644137625 is a deficient number, since it is larger than the sum of its proper divisors (13049449319).

50644137625 is a wasteful number, since it uses less digits than its factorization.

50644137625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3706 (or 3696 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 43.

The spelling of 50644137625 in words is "fifty billion, six hundred forty-four million, one hundred thirty-seven thousand, six hundred twenty-five".