51468833 has 4 divisors (see below), whose sum is σ = 55427988. Its totient is φ = 47509680.

The previous prime is 51468829. The next prime is 51468841. The reversal of 51468833 is 33886415.

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 25080064 + 26388769 = 5008^2 + 5137^2 .

It is a cyclic number.

It is not a de Polignac number, because 51468833 - 2² = 51468829 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51468863) 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, 1979558 + ... + 1979583.

It is an arithmetic number, because the mean of its divisors is an integer number (13856997).

Almost surely, 2^51468833 is an apocalyptic number.

It is an amenable number.

51468833 is a deficient number, since it is larger than the sum of its proper divisors (3959155).

51468833 is a wasteful number, since it uses less digits than its factorization.

51468833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3959154.

The product of its digits is 69120, while the sum is 38.

The square root of 51468833 is about 7174.1782107779. The cubic root of 51468833 is about 371.9758747410.

The spelling of 51468833 in words is "fifty-one million, four hundred sixty-eight thousand, eight hundred thirty-three".