51103412 has 6 divisors (see below), whose sum is σ = 89430978. Its totient is φ = 25551704.

The previous prime is 51103397. The next prime is 51103427. The reversal of 51103412 is 21430115.

51103412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51103397) and next prime (51103427).

It can be written as a sum of positive squares in only one way, i.e., 49928356 + 1175056 = 7066^2 + 1084^2 .

It is a super-2 number, since 2×51103412² = 5223117436083488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 6387923 + ... + 6387930.

It is an arithmetic number, because the mean of its divisors is an integer number (14905163).

Almost surely, 2^51103412 is an apocalyptic number.

It is an amenable number.

51103412 is a deficient number, since it is larger than the sum of its proper divisors (38327566).

51103412 is a wasteful number, since it uses less digits than its factorization.

51103412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12775857 (or 12775855 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 51103412 is about 7148.6650502034. The cubic root of 51103412 is about 371.0934587747.

Adding to 51103412 its reverse (21430115), we get a palindrome (72533527).

It can be divided in two parts, 51103 and 412, that added together give a palindrome (51515).

The spelling of 51103412 in words is "fifty-one million, one hundred three thousand, four hundred twelve".