51416005 has 4 divisors (see below), whose sum is σ = 61699212. Its totient is φ = 41132800.

The previous prime is 51415993. The next prime is 51416023. The reversal of 51416005 is 50061415.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11498881 + 39917124 = 3391^2 + 6318^2 .

It is not a de Polignac number, because 51416005 - 2⁹ = 51415493 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 5141596 + ... + 5141605.

It is an arithmetic number, because the mean of its divisors is an integer number (15424803).

Almost surely, 2^51416005 is an apocalyptic number.

It is an amenable number.

51416005 is a deficient number, since it is larger than the sum of its proper divisors (10283207).

51416005 is a wasteful number, since it uses less digits than its factorization.

51416005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10283206.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 51416005 is about 7170.4954501066. The cubic root of 51416005 is about 371.8485648888.

The spelling of 51416005 in words is "fifty-one million, four hundred sixteen thousand, five".