51326018 has 16 divisors (see below), whose sum is σ = 82930176. Its totient is φ = 23754720.

The previous prime is 51326017. The next prime is 51326059. The reversal of 51326018 is 81062315.

It is not an unprimeable number, because it can be changed into a prime (51326017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16571 + ... + 19422.

It is an arithmetic number, because the mean of its divisors is an integer number (5183136).

Almost surely, 2^51326018 is an apocalyptic number.

51326018 is a deficient number, since it is larger than the sum of its proper divisors (31604158).

51326018 is a wasteful number, since it uses less digits than its factorization.

51326018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36049.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 51326018 is about 7164.2178917171. The cubic root of 51326018 is about 371.6315048702.

The spelling of 51326018 in words is "fifty-one million, three hundred twenty-six thousand, eighteen".