50439958 has 4 divisors (see below), whose sum is σ = 75659940. Its totient is φ = 25219978.

The previous prime is 50439953. The next prime is 50439959. The reversal of 50439958 is 85993405.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85993405 = 5 ⋅17198681.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50439953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12609988 + ... + 12609991.

It is an arithmetic number, because the mean of its divisors is an integer number (18914985).

Almost surely, 2^50439958 is an apocalyptic number.

50439958 is a deficient number, since it is larger than the sum of its proper divisors (25219982).

50439958 is a wasteful number, since it uses less digits than its factorization.

50439958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25219981.

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 50439958 is about 7102.1094049585. The cubic root of 50439958 is about 369.4805420540.

The spelling of 50439958 in words is "fifty million, four hundred thirty-nine thousand, nine hundred fifty-eight".