51206332 has 12 divisors (see below), whose sum is σ = 89681760. Its totient is φ = 25582976.

The previous prime is 51206231. The next prime is 51206333. The reversal of 51206332 is 23360215.

51206332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51206333) 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, 1644 + ... + 10252.

It is an arithmetic number, because the mean of its divisors is an integer number (7473480).

Almost surely, 2^51206332 is an apocalyptic number.

It is an amenable number.

51206332 is a deficient number, since it is larger than the sum of its proper divisors (38475428).

51206332 is a wasteful number, since it uses less digits than its factorization.

51206332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10100 (or 10098 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 51206332 is about 7155.8599762712. The cubic root of 51206332 is about 371.3424136312.

Adding to 51206332 its reverse (23360215), we get a palindrome (74566547).

The spelling of 51206332 in words is "fifty-one million, two hundred six thousand, three hundred thirty-two".