51326199 has 6 divisors (see below), whose sum is σ = 74137856. Its totient is φ = 34217460.

The previous prime is 51326153. The next prime is 51326203. The reversal of 51326199 is 99162315.

51326199 is a `hidden beast` number, since 5 + 1 + 32 + 619 + 9 = 666.

It is not a de Polignac number, because 51326199 - 2⁸ = 51325943 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 (51326129) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2851447 + ... + 2851464.

Almost surely, 2^51326199 is an apocalyptic number.

51326199 is a deficient number, since it is larger than the sum of its proper divisors (22811657).

51326199 is a wasteful number, since it uses less digits than its factorization.

51326199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5702917 (or 5702914 counting only the distinct ones).

The product of its digits is 14580, while the sum is 36.

The square root of 51326199 is about 7164.2305239293. The cubic root of 51326199 is about 371.6319417197.

The spelling of 51326199 in words is "fifty-one million, three hundred twenty-six thousand, one hundred ninety-nine".