51043315 has 8 divisors (see below), whose sum is σ = 61343568. Its totient is φ = 40773600.

The previous prime is 51043273. The next prime is 51043327. The reversal of 51043315 is 51334015.

It is a happy number.

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

It is not a de Polignac number, because 51043315 - 2¹¹ = 51041267 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3777 + ... + 10786.

It is an arithmetic number, because the mean of its divisors is an integer number (7667946).

Almost surely, 2^51043315 is an apocalyptic number.

51043315 is a deficient number, since it is larger than the sum of its proper divisors (10300253).

51043315 is a wasteful number, since it uses less digits than its factorization.

51043315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15269.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 51043315 is about 7144.4604414889. The cubic root of 51043315 is about 370.9479345617.

The spelling of 51043315 in words is "fifty-one million, forty-three thousand, three hundred fifteen".