50365643 has 4 divisors (see below), whose sum is σ = 50385720. Its totient is φ = 50345568.

The previous prime is 50365631. The next prime is 50365657. The reversal of 50365643 is 34656305.

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 50365643 - 2⁸ = 50365387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50365673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5630 + ... + 11507.

It is an arithmetic number, because the mean of its divisors is an integer number (12596430).

Almost surely, 2^50365643 is an apocalyptic number.

50365643 is a deficient number, since it is larger than the sum of its proper divisors (20077).

50365643 is a wasteful number, since it uses less digits than its factorization.

50365643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20076.

The product of its (nonzero) digits is 32400, while the sum is 32.

The square root of 50365643 is about 7096.8755801409. The cubic root of 50365643 is about 369.2989965522.

The spelling of 50365643 in words is "fifty million, three hundred sixty-five thousand, six hundred forty-three".