50851742 has 4 divisors (see below), whose sum is σ = 76277616. Its totient is φ = 25425870.

The previous prime is 50851741. The next prime is 50851789. The reversal of 50851742 is 24715805.

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

It is a junction number, because it is equal to n+sod(n) for n = 50851699 and 50851708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50851741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12712934 + ... + 12712937.

It is an arithmetic number, because the mean of its divisors is an integer number (19069404).

Almost surely, 2^50851742 is an apocalyptic number.

50851742 is a deficient number, since it is larger than the sum of its proper divisors (25425874).

50851742 is a wasteful number, since it uses less digits than its factorization.

50851742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25425873.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 50851742 is about 7131.0407375081. The cubic root of 50851742 is about 370.4832788829.

The spelling of 50851742 in words is "fifty million, eight hundred fifty-one thousand, seven hundred forty-two".