51814359 has 12 divisors (see below), whose sum is σ = 75391056. Its totient is φ = 34289952.

The previous prime is 51814261. The next prime is 51814363. The reversal of 51814359 is 95341815.

It is not a de Polignac number, because 51814359 - 2¹² = 51810263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51814369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19779 + ... + 22244.

It is an arithmetic number, because the mean of its divisors is an integer number (6282588).

Almost surely, 2^51814359 is an apocalyptic number.

51814359 is a deficient number, since it is larger than the sum of its proper divisors (23576697).

51814359 is a wasteful number, since it uses less digits than its factorization.

51814359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42166 (or 42163 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 51814359 is about 7198.2191547632. The cubic root of 51814359 is about 372.8064148440.

The spelling of 51814359 in words is "fifty-one million, eight hundred fourteen thousand, three hundred fifty-nine".