50729873 has 4 divisors (see below), whose sum is σ = 51809280. Its totient is φ = 49650468.

The previous prime is 50729863. The next prime is 50729897. The reversal of 50729873 is 37892705.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50729873 - 2⁸ = 50729617 is a prime.

It is a super-2 number, since 2×50729873² = 5147040029192258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50729873.

It is not an unprimeable number, because it can be changed into a prime (50729813) 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, 539633 + ... + 539726.

It is an arithmetic number, because the mean of its divisors is an integer number (12952320).

Almost surely, 2^50729873 is an apocalyptic number.

It is an amenable number.

50729873 is a deficient number, since it is larger than the sum of its proper divisors (1079407).

50729873 is a wasteful number, since it uses less digits than its factorization.

50729873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079406.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 50729873 is about 7122.4906458345. The cubic root of 50729873 is about 370.1870809453.

The spelling of 50729873 in words is "fifty million, seven hundred twenty-nine thousand, eight hundred seventy-three".