50502513643 has 8 divisors (see below), whose sum is σ = 50689525568. Its totient is φ = 50315770944.

The previous prime is 50502513641. The next prime is 50502513653. The reversal of 50502513643 is 34631520505.

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 50502513643 - 2¹ = 50502513641 is a prime.

It is a super-2 number, since 2×50502513643² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50502513599 and 50502513608.

It is not an unprimeable number, because it can be changed into a prime (50502513641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312505 + ... + 445717.

It is an arithmetic number, because the mean of its divisors is an integer number (6336190696).

Almost surely, 2^50502513643 is an apocalyptic number.

50502513643 is a deficient number, since it is larger than the sum of its proper divisors (187011925).

50502513643 is a wasteful number, since it uses less digits than its factorization.

50502513643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134613.

The product of its (nonzero) digits is 54000, while the sum is 34.

The spelling of 50502513643 in words is "fifty billion, five hundred two million, five hundred thirteen thousand, six hundred forty-three".