51344511 has 8 divisors (see below), whose sum is σ = 68880000. Its totient is φ = 34019352.

The previous prime is 51344459. The next prime is 51344551. The reversal of 51344511 is 11544315.

It is a happy number.

51344511 is nontrivially palindromic in base 13.

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

It is not a de Polignac number, because 51344511 - 2⁷ = 51344383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51344551) 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 7 ways as a sum of consecutive naturals, for example, 52011 + ... + 52988.

It is an arithmetic number, because the mean of its divisors is an integer number (8610000).

Almost surely, 2^51344511 is an apocalyptic number.

51344511 is a deficient number, since it is larger than the sum of its proper divisors (17535489).

51344511 is a wasteful number, since it uses less digits than its factorization.

51344511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105165.

The product of its digits is 1200, while the sum is 24.

The square root of 51344511 is about 7165.5084257853. The cubic root of 51344511 is about 371.6761330234.

Adding to 51344511 its reverse (11544315), we get a palindrome (62888826).

The spelling of 51344511 in words is "fifty-one million, three hundred forty-four thousand, five hundred eleven".