51333142 has 32 divisors (see below), whose sum is σ = 91390464. Its totient is φ = 21168000.

The previous prime is 51333133. The next prime is 51333167. The reversal of 51333142 is 24133315.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 42142 + ... + 43342.

It is an arithmetic number, because the mean of its divisors is an integer number (2855952).

Almost surely, 2^51333142 is an apocalyptic number.

51333142 is a deficient number, since it is larger than the sum of its proper divisors (40057322).

51333142 is a wasteful number, since it uses less digits than its factorization.

51333142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324.

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

The square root of 51333142 is about 7164.7150676074. The cubic root of 51333142 is about 371.6486981020.

Adding to 51333142 its reverse (24133315), we get a palindrome (75466457).

The spelling of 51333142 in words is "fifty-one million, three hundred thirty-three thousand, one hundred forty-two".