51404833 has 4 divisors (see below), whose sum is σ = 51885360. Its totient is φ = 50924308.

The previous prime is 51404827. The next prime is 51404867. The reversal of 51404833 is 33840415.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51404833 - 2⁹ = 51404321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51404893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240103 + ... + 240316.

It is an arithmetic number, because the mean of its divisors is an integer number (12971340).

Almost surely, 2^51404833 is an apocalyptic number.

It is an amenable number.

51404833 is a deficient number, since it is larger than the sum of its proper divisors (480527).

51404833 is a wasteful number, since it uses less digits than its factorization.

51404833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480526.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 51404833 is about 7169.7163821172. The cubic root of 51404833 is about 371.8216303892.

The spelling of 51404833 in words is "fifty-one million, four hundred four thousand, eight hundred thirty-three".