51166113 has 4 divisors (see below), whose sum is σ = 68221488. Its totient is φ = 34110740.

The previous prime is 51166109. The next prime is 51166123. The reversal of 51166113 is 31166115.

51166113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51166113 - 2² = 51166109 is a prime.

It is a super-2 number, since 2×51166113² = 5235942239057538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51166103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8527683 + ... + 8527688.

It is an arithmetic number, because the mean of its divisors is an integer number (17055372).

Almost surely, 2^51166113 is an apocalyptic number.

It is an amenable number.

51166113 is a deficient number, since it is larger than the sum of its proper divisors (17055375).

51166113 is a wasteful number, since it uses less digits than its factorization.

51166113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17055374.

The product of its digits is 540, while the sum is 24.

The square root of 51166113 is about 7153.0492099524. The cubic root of 51166113 is about 371.2451669835.

The spelling of 51166113 in words is "fifty-one million, one hundred sixty-six thousand, one hundred thirteen".