50489951 has 4 divisors (see below), whose sum is σ = 50682192. Its totient is φ = 50297712.

The previous prime is 50489909. The next prime is 50489977. The reversal of 50489951 is 15998405.

50489951 = T₁₄₈ + T₁₄₉ + ... + T₆₇₃.

It is a happy number.

50489951 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50489951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50489899 and 50489908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50489981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95726 + ... + 96251.

It is an arithmetic number, because the mean of its divisors is an integer number (12670548).

Almost surely, 2^50489951 is an apocalyptic number.

50489951 is a deficient number, since it is larger than the sum of its proper divisors (192241).

50489951 is a wasteful number, since it uses less digits than its factorization.

50489951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192240.

The product of its (nonzero) digits is 64800, while the sum is 41.

The square root of 50489951 is about 7105.6281214260. The cubic root of 50489951 is about 369.6025705822.

The spelling of 50489951 in words is "fifty million, four hundred eighty-nine thousand, nine hundred fifty-one".