51351332 has 6 divisors (see below), whose sum is σ = 89864838. Its totient is φ = 25675664.

The previous prime is 51351253. The next prime is 51351359. The reversal of 51351332 is 23315315.

51351332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 37258816 + 14092516 = 6104^2 + 3754^2 .

It is a junction number, because it is equal to n+sod(n) for n = 51351298 and 51351307.

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, 6418913 + ... + 6418920.

It is an arithmetic number, because the mean of its divisors is an integer number (14977473).

Almost surely, 2^51351332 is an apocalyptic number.

It is an amenable number.

51351332 is a deficient number, since it is larger than the sum of its proper divisors (38513506).

51351332 is a wasteful number, since it uses less digits than its factorization.

51351332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12837837 (or 12837835 counting only the distinct ones).

The product of its digits is 1350, while the sum is 23.

The square root of 51351332 is about 7165.9843706221. The cubic root of 51351332 is about 371.6925910673.

Adding to 51351332 its reverse (23315315), we get a palindrome (74666647).

The spelling of 51351332 in words is "fifty-one million, three hundred fifty-one thousand, three hundred thirty-two".