50479439 has 4 divisors (see below), whose sum is σ = 52107840. Its totient is φ = 48851040.

The previous prime is 50479423. The next prime is 50479453. The reversal of 50479439 is 93497405.

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

It is not a de Polignac number, because 50479439 - 2⁴ = 50479423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50479396 and 50479405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50479469) 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, 814154 + ... + 814215.

It is an arithmetic number, because the mean of its divisors is an integer number (13026960).

Almost surely, 2^50479439 is an apocalyptic number.

50479439 is a deficient number, since it is larger than the sum of its proper divisors (1628401).

50479439 is a wasteful number, since it uses less digits than its factorization.

50479439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1628400.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 50479439 is about 7104.8883875822. Note that the first 3 decimals coincide. The cubic root of 50479439 is about 369.5769184025.

The spelling of 50479439 in words is "fifty million, four hundred seventy-nine thousand, four hundred thirty-nine".