51016433 has 4 divisors (see below), whose sum is σ = 54940788. Its totient is φ = 47092080.

The previous prime is 51016417. The next prime is 51016453. The reversal of 51016433 is 33461015.

It is a happy number.

51016433 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 can be written as a sum of positive squares in 2 ways, for example, as 31550689 + 19465744 = 5617^2 + 4412^2 .

It is a cyclic number.

It is not a de Polignac number, because 51016433 - 2⁴ = 51016417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51016399 and 51016408.

It is not an unprimeable number, because it can be changed into a prime (51016403) 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, 1962158 + ... + 1962183.

It is an arithmetic number, because the mean of its divisors is an integer number (13735197).

Almost surely, 2^51016433 is an apocalyptic number.

It is an amenable number.

51016433 is a deficient number, since it is larger than the sum of its proper divisors (3924355).

51016433 is a wasteful number, since it uses less digits than its factorization.

51016433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3924354.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 51016433 is about 7142.5788760083. The cubic root of 51016433 is about 370.8828031242.

Adding to 51016433 its reverse (33461015), we get a palindrome (84477448).

The spelling of 51016433 in words is "fifty-one million, sixteen thousand, four hundred thirty-three".