50542439 has 4 divisors (see below), whose sum is σ = 50881800. Its totient is φ = 50203080.

The previous prime is 50542433. The next prime is 50542487. The reversal of 50542439 is 93424505.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 50542439 - 2⁴ = 50542423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50542433) 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, 169457 + ... + 169754.

It is an arithmetic number, because the mean of its divisors is an integer number (12720450).

Almost surely, 2^50542439 is an apocalyptic number.

50542439 is a deficient number, since it is larger than the sum of its proper divisors (339361).

50542439 is a wasteful number, since it uses less digits than its factorization.

50542439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339360.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 50542439 is about 7109.3205723191. The cubic root of 50542439 is about 369.7306025354.

The spelling of 50542439 in words is "fifty million, five hundred forty-two thousand, four hundred thirty-nine".