50479951 has 4 divisors (see below), whose sum is σ = 51844312. Its totient is φ = 49115592.

The previous prime is 50479939. The next prime is 50479993. The reversal of 50479951 is 15997405.

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-50479951 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 (50479931) 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 in 3 ways as a sum of consecutive naturals, for example, 682125 + ... + 682198.

It is an arithmetic number, because the mean of its divisors is an integer number (12961078).

Almost surely, 2^50479951 is an apocalyptic number.

50479951 is a deficient number, since it is larger than the sum of its proper divisors (1364361).

50479951 is a wasteful number, since it uses less digits than its factorization.

50479951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364360.

The product of its (nonzero) digits is 56700, while the sum is 40.

The square root of 50479951 is about 7104.9244190209. The cubic root of 50479951 is about 369.5781679062.

The spelling of 50479951 in words is "fifty million, four hundred seventy-nine thousand, nine hundred fifty-one".