50743969 has 4 divisors (see below), whose sum is σ = 51209620. Its totient is φ = 50278320.

The previous prime is 50743967. The next prime is 50744011. The reversal of 50743969 is 96934705.

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

It can be written as a sum of positive squares in 2 ways, for example, as 39853969 + 10890000 = 6313^2 + 3300^2 .

It is a cyclic number.

It is not a de Polignac number, because 50743969 - 2¹ = 50743967 is a prime.

It is a super-2 number, since 2×50743969² = 5149900779745922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50743961) 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, 232662 + ... + 232879.

It is an arithmetic number, because the mean of its divisors is an integer number (12802405).

Almost surely, 2^50743969 is an apocalyptic number.

It is an amenable number.

50743969 is a deficient number, since it is larger than the sum of its proper divisors (465651).

50743969 is a wasteful number, since it uses less digits than its factorization.

50743969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465650.

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 50743969 is about 7123.4801185937. The cubic root of 50743969 is about 370.2213649779.

The spelling of 50743969 in words is "fifty million, seven hundred forty-three thousand, nine hundred sixty-nine".