51163115 has 12 divisors (see below), whose sum is σ = 65221536. Its totient is φ = 38521728.

The previous prime is 51163043. The next prime is 51163117. The reversal of 51163115 is 51136115.

It is not a de Polignac number, because 51163115 - 2¹⁰ = 51162091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51163117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16259 + ... + 19148.

It is an arithmetic number, because the mean of its divisors is an integer number (5435128).

Almost surely, 2^51163115 is an apocalyptic number.

51163115 is a deficient number, since it is larger than the sum of its proper divisors (14058421).

51163115 is a wasteful number, since it uses less digits than its factorization.

51163115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35446 (or 35429 counting only the distinct ones).

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

The square root of 51163115 is about 7152.8396459029. The cubic root of 51163115 is about 371.2379159946.

Subtracting from 51163115 its reverse (51136115), we obtain a cube (27000 = 30³).

The spelling of 51163115 in words is "fifty-one million, one hundred sixty-three thousand, one hundred fifteen".