50743643 has 4 divisors (see below), whose sum is σ = 51575568. Its totient is φ = 49911720.

The previous prime is 50743639. The next prime is 50743669. The reversal of 50743643 is 34634705.

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 50743643 - 2² = 50743639 is a prime.

It is a super-2 number, since 2×50743643² = 5149834609822898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50743633) 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, 415871 + ... + 415992.

It is an arithmetic number, because the mean of its divisors is an integer number (12893892).

Almost surely, 2^50743643 is an apocalyptic number.

50743643 is a deficient number, since it is larger than the sum of its proper divisors (831925).

50743643 is an equidigital number, since it uses as much as digits as its factorization.

50743643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831924.

The product of its (nonzero) digits is 30240, while the sum is 32.

The square root of 50743643 is about 7123.4572364829. The cubic root of 50743643 is about 370.2205721584.

The spelling of 50743643 in words is "fifty million, seven hundred forty-three thousand, six hundred forty-three".