51043345 has 8 divisors (see below), whose sum is σ = 61301376. Its totient is φ = 40801776.

The previous prime is 51043337. The next prime is 51043351. The reversal of 51043345 is 54334015.

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 51043345 - 2³ = 51043337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4264 + ... + 10966.

It is an arithmetic number, because the mean of its divisors is an integer number (7662672).

Almost surely, 2^51043345 is an apocalyptic number.

It is an amenable number.

51043345 is a deficient number, since it is larger than the sum of its proper divisors (10258031).

51043345 is a wasteful number, since it uses less digits than its factorization.

51043345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8231.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 51043345 is about 7144.4625410173. The cubic root of 51043345 is about 370.9480072348.

The spelling of 51043345 in words is "fifty-one million, forty-three thousand, three hundred forty-five".