51944045 has 8 divisors (see below), whose sum is σ = 62422296. Its totient is φ = 41495616.

The previous prime is 51944029. The next prime is 51944063. The reversal of 51944045 is 54044915.

51944045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 29181604 + 22762441 = 5402^2 + 4771^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51944045 - 2⁴ = 51944029 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3422 + ... + 10751.

It is an arithmetic number, because the mean of its divisors is an integer number (7802787).

Almost surely, 2^51944045 is an apocalyptic number.

It is an amenable number.

51944045 is a deficient number, since it is larger than the sum of its proper divisors (10478251).

51944045 is a wasteful number, since it uses less digits than its factorization.

51944045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14911.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 51944045 is about 7207.2217254640. The cubic root of 51944045 is about 373.1171877208.

The spelling of 51944045 in words is "fifty-one million, nine hundred forty-four thousand, forty-five".