51242032 has 20 divisors (see below), whose sum is σ = 101395296. Its totient is φ = 25075520.

The previous prime is 51242027. The next prime is 51242033. The reversal of 51242032 is 23024215.

It is not an unprimeable number, because it can be changed into a prime (51242033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33319 + ... + 34822.

Almost surely, 2^51242032 is an apocalyptic number.

It is an amenable number.

51242032 is a deficient number, since it is larger than the sum of its proper divisors (50153264).

51242032 is a wasteful number, since it uses less digits than its factorization.

51242032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68196 (or 68190 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 51242032 is about 7158.3540007463. The cubic root of 51242032 is about 371.4286910115.

Adding to 51242032 its reverse (23024215), we get a palindrome (74266247).

The spelling of 51242032 in words is "fifty-one million, two hundred forty-two thousand, thirty-two".