51329252 has 12 divisors (see below), whose sum is σ = 96735996. Its totient is φ = 23690400.

The previous prime is 51329251. The next prime is 51329263. The reversal of 51329252 is 25292315.

51329252 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 2 ways, for example, as 21473956 + 29855296 = 4634^2 + 5464^2 .

It is a super-2 number, since 2×51329252² = 5269384221759008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51329251) 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 3 ways as a sum of consecutive naturals, for example, 493499 + ... + 493602.

It is an arithmetic number, because the mean of its divisors is an integer number (8061333).

Almost surely, 2^51329252 is an apocalyptic number.

51329252 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

51329252 is a deficient number, since it is larger than the sum of its proper divisors (45406744).

51329252 is a wasteful number, since it uses less digits than its factorization.

51329252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987118 (or 987116 counting only the distinct ones).

The product of its digits is 5400, while the sum is 29.

The square root of 51329252 is about 7164.4435931899. The cubic root of 51329252 is about 371.6393100802.

The spelling of 51329252 in words is "fifty-one million, three hundred twenty-nine thousand, two hundred fifty-two".