50197929 has 4 divisors (see below), whose sum is σ = 66930576. Its totient is φ = 33465284.

The previous prime is 50197921. The next prime is 50197963. The reversal of 50197929 is 92979105.

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 50197929 - 2³ = 50197921 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50197921) 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, 8366319 + ... + 8366324.

It is an arithmetic number, because the mean of its divisors is an integer number (16732644).

Almost surely, 2^50197929 is an apocalyptic number.

It is an amenable number.

50197929 is a deficient number, since it is larger than the sum of its proper divisors (16732647).

50197929 is a wasteful number, since it uses less digits than its factorization.

50197929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16732646.

The product of its (nonzero) digits is 51030, while the sum is 42.

The square root of 50197929 is about 7085.0496822535. The cubic root of 50197929 is about 368.8886276060. Note that the first 3 decimals are identical.

The spelling of 50197929 in words is "fifty million, one hundred ninety-seven thousand, nine hundred twenty-nine".