50533616643 has 8 divisors (see below), whose sum is σ = 68520158400. Its totient is φ = 33118076328.

The previous prime is 50533616629. The next prime is 50533616657. The reversal of 50533616643 is 34661633505.

It is an interprime number because it is at equal distance from previous prime (50533616629) and next prime (50533616657).

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

It is not a de Polignac number, because 50533616643 - 2⁸ = 50533616387 is a prime.

It is a super-2 number, since 2×50533616643² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50533616595 and 50533616604.

It is not an unprimeable number, because it can be changed into a prime (50533616743) 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, 142750153 + ... + 142750506.

It is an arithmetic number, because the mean of its divisors is an integer number (8565019800).

Almost surely, 2^50533616643 is an apocalyptic number.

50533616643 is a deficient number, since it is larger than the sum of its proper divisors (17986541757).

50533616643 is a wasteful number, since it uses less digits than its factorization.

50533616643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285500721.

The product of its (nonzero) digits is 583200, while the sum is 42.

The spelling of 50533616643 in words is "fifty billion, five hundred thirty-three million, six hundred sixteen thousand, six hundred forty-three".