51335441 has 4 divisors (see below), whose sum is σ = 51414000. Its totient is φ = 51256884.

The previous prime is 51335437. The next prime is 51335447. The reversal of 51335441 is 14453315.

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 51335441 - 2² = 51335437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51335441.

It is not an unprimeable number, because it can be changed into a prime (51335447) 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, 38291 + ... + 39608.

It is an arithmetic number, because the mean of its divisors is an integer number (12853500).

Almost surely, 2^51335441 is an apocalyptic number.

It is an amenable number.

51335441 is a deficient number, since it is larger than the sum of its proper divisors (78559).

51335441 is an equidigital number, since it uses as much as digits as its factorization.

51335441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78558.

The product of its digits is 3600, while the sum is 26.

The square root of 51335441 is about 7164.8755048500. The cubic root of 51335441 is about 371.6542462239.

Adding to 51335441 its reverse (14453315), we get a palindrome (65788756).

The spelling of 51335441 in words is "fifty-one million, three hundred thirty-five thousand, four hundred forty-one".