51316115 has 8 divisors (see below), whose sum is σ = 65201760. Its totient is φ = 38637952.

The previous prime is 51316103. The next prime is 51316117. The reversal of 51316115 is 51161315.

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 51316115 - 2⁴ = 51316099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51316117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301775 + ... + 301944.

It is an arithmetic number, because the mean of its divisors is an integer number (8150220).

Almost surely, 2^51316115 is an apocalyptic number.

51316115 is a deficient number, since it is larger than the sum of its proper divisors (13885645).

51316115 is a wasteful number, since it uses less digits than its factorization.

51316115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603741.

The product of its digits is 450, while the sum is 23.

The square root of 51316115 is about 7163.5267152430. The cubic root of 51316115 is about 371.6076020905.

The spelling of 51316115 in words is "fifty-one million, three hundred sixteen thousand, one hundred fifteen".