51568113 has 8 divisors (see below), whose sum is σ = 69530400. Its totient is φ = 33992288.

The previous prime is 51568103. The next prime is 51568129. The reversal of 51568113 is 31186515.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51568113 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51568103) 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, 96303 + ... + 96836.

It is an arithmetic number, because the mean of its divisors is an integer number (8691300).

Almost surely, 2^51568113 is an apocalyptic number.

It is an amenable number.

51568113 is a deficient number, since it is larger than the sum of its proper divisors (17962287).

51568113 is a wasteful number, since it uses less digits than its factorization.

51568113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193231.

The product of its digits is 3600, while the sum is 30.

The square root of 51568113 is about 7181.0941366898. The cubic root of 51568113 is about 372.2148934705.

It can be divided in two parts, 51568 and 113, that added together give a triangular number (51681 = T₃₂₁).

The spelling of 51568113 in words is "fifty-one million, five hundred sixty-eight thousand, one hundred thirteen".