51326081 has 8 divisors (see below), whose sum is σ = 52523424. Its totient is φ = 50142240.

The previous prime is 51326059. The next prime is 51326083. The reversal of 51326081 is 18062315.

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

It is not a de Polignac number, because 51326081 - 2⁶ = 51326017 is a prime.

It is a super-2 number, since 2×51326081² = 5268733181637122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 51326081.

It is not an unprimeable number, because it can be changed into a prime (51326083) 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, 4526 + ... + 11096.

It is an arithmetic number, because the mean of its divisors is an integer number (6565428).

Almost surely, 2^51326081 is an apocalyptic number.

It is an amenable number.

51326081 is a deficient number, since it is larger than the sum of its proper divisors (1197343).

51326081 is a wasteful number, since it uses less digits than its factorization.

51326081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6751.

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

The square root of 51326081 is about 7164.2222885670. Note that the first 4 decimals coincide. The cubic root of 51326081 is about 371.6316569229.

Adding to 51326081 its reverse (18062315), we get a palindrome (69388396).

The spelling of 51326081 in words is "fifty-one million, three hundred twenty-six thousand, eighty-one".