50851151 has 4 divisors (see below), whose sum is σ = 54762792. Its totient is φ = 46939512.

The previous prime is 50851147. The next prime is 50851159. The reversal of 50851151 is 15115805.

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 50851151 - 2² = 50851147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50851151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50851159) 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, 1955801 + ... + 1955826.

It is an arithmetic number, because the mean of its divisors is an integer number (13690698).

Almost surely, 2^50851151 is an apocalyptic number.

50851151 is a deficient number, since it is larger than the sum of its proper divisors (3911641).

50851151 is a wasteful number, since it uses less digits than its factorization.

50851151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3911640.

The product of its (nonzero) digits is 1000, while the sum is 26.

The square root of 50851151 is about 7130.9992988360. Note that the first 3 decimals coincide. The cubic root of 50851151 is about 370.4818436226.

Adding to 50851151 its reverse (15115805), we get a palindrome (65966956).

The spelling of 50851151 in words is "fifty million, eight hundred fifty-one thousand, one hundred fifty-one".