51075441 has 12 divisors (see below), whose sum is σ = 76508432. Its totient is φ = 34050132.

The previous prime is 51075413. The next prime is 51075449. The reversal of 51075441 is 14457015.

It is a happy number.

51075441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51075441 - 2⁶ = 51075377 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51075449) 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 11 ways as a sum of consecutive naturals, for example, 104851 + ... + 105336.

Almost surely, 2^51075441 is an apocalyptic number.

It is an amenable number.

51075441 is a deficient number, since it is larger than the sum of its proper divisors (25432991).

51075441 is an equidigital number, since it uses as much as digits as its factorization.

51075441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210202 (or 210190 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 51075441 is about 7146.7084031741. The cubic root of 51075441 is about 371.0257415123.

The spelling of 51075441 in words is "fifty-one million, seventy-five thousand, four hundred forty-one".