50173643 has 4 divisors (see below), whose sum is σ = 54033168. Its totient is φ = 46314120.

The previous prime is 50173637. The next prime is 50173663. The reversal of 50173643 is 34637105.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34637105 = 5 ⋅6927421.

It is a cyclic number.

It is not a de Polignac number, because 50173643 - 2²⁰ = 49125067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50173663) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1929743 + ... + 1929768.

It is an arithmetic number, because the mean of its divisors is an integer number (13508292).

Almost surely, 2^50173643 is an apocalyptic number.

50173643 is a deficient number, since it is larger than the sum of its proper divisors (3859525).

50173643 is a wasteful number, since it uses less digits than its factorization.

50173643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3859524.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 50173643 is about 7083.3355843134. The cubic root of 50173643 is about 368.8291279775.

The spelling of 50173643 in words is "fifty million, one hundred seventy-three thousand, six hundred forty-three".