51158332 has 12 divisors (see below), whose sum is σ = 89773600. Its totient is φ = 25508736.

The previous prime is 51158329. The next prime is 51158333. The reversal of 51158332 is 23385115.

51158332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 51158332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51158333) 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, 15957 + ... + 18892.

Almost surely, 2^51158332 is an apocalyptic number.

It is an amenable number.

51158332 is a deficient number, since it is larger than the sum of its proper divisors (38615268).

51158332 is a wasteful number, since it uses less digits than its factorization.

51158332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35220 (or 35218 counting only the distinct ones).

The product of its digits is 3600, while the sum is 28.

The square root of 51158332 is about 7152.5052953493. The cubic root of 51158332 is about 371.2263472028.

The spelling of 51158332 in words is "fifty-one million, one hundred fifty-eight thousand, three hundred thirty-two".