51336441 has 24 divisors (see below), whose sum is σ = 81177096. Its totient is φ = 31069440.

The previous prime is 51336433. The next prime is 51336443. The reversal of 51336441 is 14463315.

51336441 is a `hidden beast` number, since 5 + 13 + 3 + 644 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 6780816 + 44555625 = 2604^2 + 6675^2 .

It is not a de Polignac number, because 51336441 - 2³ = 51336433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51336443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3541 + ... + 10733.

It is an arithmetic number, because the mean of its divisors is an integer number (3382379).

Almost surely, 2^51336441 is an apocalyptic number.

It is an amenable number.

51336441 is a deficient number, since it is larger than the sum of its proper divisors (29840655).

51336441 is a wasteful number, since it uses less digits than its factorization.

51336441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7273 (or 7270 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 51336441 is about 7164.9452893934. The cubic root of 51336441 is about 371.6566594484.

Adding to 51336441 its reverse (14463315), we get a palindrome (65799756).

The spelling of 51336441 in words is "fifty-one million, three hundred thirty-six thousand, four hundred forty-one".