51323111 has 8 divisors (see below), whose sum is σ = 58915200. Its totient is φ = 43796088.

The previous prime is 51323101. The next prime is 51323117. The reversal of 51323111 is 11132315.

51323111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 51323111 - 2¹⁰ = 51322087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51323111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51323117) 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 7 ways as a sum of consecutive naturals, for example, 14561 + ... + 17738.

It is an arithmetic number, because the mean of its divisors is an integer number (7364400).

Almost surely, 2^51323111 is an apocalyptic number.

51323111 is a deficient number, since it is larger than the sum of its proper divisors (7592089).

51323111 is a wasteful number, since it uses less digits than its factorization.

51323111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32533.

The product of its digits is 90, while the sum is 17.

The square root of 51323111 is about 7164.0150055678. The cubic root of 51323111 is about 371.6244885900.

Adding to 51323111 its reverse (11132315), we get a palindrome (62455426).

The spelling of 51323111 in words is "fifty-one million, three hundred twenty-three thousand, one hundred eleven".