50043643 has 4 divisors (see below), whose sum is σ = 53893168. Its totient is φ = 46194120.

The previous prime is 50043611. The next prime is 50043661. The reversal of 50043643 is 34634005.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50043643 - 2⁵ = 50043611 is a prime.

It is a super-2 number, since 2×50043643² = 5008732409422898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50043043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1924743 + ... + 1924768.

It is an arithmetic number, because the mean of its divisors is an integer number (13473292).

Almost surely, 2^50043643 is an apocalyptic number.

50043643 is a deficient number, since it is larger than the sum of its proper divisors (3849525).

50043643 is a wasteful number, since it uses less digits than its factorization.

50043643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3849524.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 50043643 is about 7074.1531648672. The cubic root of 50043643 is about 368.5103068169.

Adding to 50043643 its reverse (34634005), we get a palindrome (84677648).

The spelling of 50043643 in words is "fifty million, forty-three thousand, six hundred forty-three".