51452132 has 12 divisors (see below), whose sum is σ = 95337900. Its totient is φ = 24212736.

The previous prime is 51452129. The next prime is 51452143. The reversal of 51452132 is 23125415.

It can be written as a sum of positive squares in 2 ways, for example, as 26790976 + 24661156 = 5176^2 + 4966^2 .

It is a junction number, because it is equal to n+sod(n) for n = 51452098 and 51452107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378257 + ... + 378392.

It is an arithmetic number, because the mean of its divisors is an integer number (7944825).

Almost surely, 2^51452132 is an apocalyptic number.

It is an amenable number.

51452132 is a deficient number, since it is larger than the sum of its proper divisors (43885768).

51452132 is a wasteful number, since it uses less digits than its factorization.

51452132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756670 (or 756668 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 51452132 is about 7173.0141502718. The cubic root of 51452132 is about 371.9356365309.

Adding to 51452132 its reverse (23125415), we get a palindrome (74577547).

The spelling of 51452132 in words is "fifty-one million, four hundred fifty-two thousand, one hundred thirty-two".