51361412 has 24 divisors (see below), whose sum is σ = 92171520. Its totient is φ = 25031360.

The previous prime is 51361411. The next prime is 51361417. The reversal of 51361412 is 21416315.

51361412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (51361411) 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, 67112 + ... + 67872.

It is an arithmetic number, because the mean of its divisors is an integer number (3840480).

Almost surely, 2^51361412 is an apocalyptic number.

It is an amenable number.

51361412 is a deficient number, since it is larger than the sum of its proper divisors (40810108).

51361412 is a wasteful number, since it uses less digits than its factorization.

51361412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171 (or 1169 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 51361412 is about 7166.6876588840. The cubic root of 51361412 is about 371.7169099184.

Adding to 51361412 its reverse (21416315), we get a palindrome (72777727).

The spelling of 51361412 in words is "fifty-one million, three hundred sixty-one thousand, four hundred twelve".