51332105342 has 32 divisors (see below), whose sum is σ = 92391045120. Its totient is φ = 20923832160.

The previous prime is 51332105333. The next prime is 51332105359. The reversal of 51332105342 is 24350123315.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 916334 + ... + 970737.

It is an arithmetic number, because the mean of its divisors is an integer number (2887220160).

Almost surely, 2^51332105342 is an apocalyptic number.

51332105342 is a deficient number, since it is larger than the sum of its proper divisors (41058939778).

51332105342 is a wasteful number, since it uses less digits than its factorization.

51332105342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1887176.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 51332105342 its reverse (24350123315), we get a palindrome (75682228657).

The spelling of 51332105342 in words is "fifty-one billion, three hundred thirty-two million, one hundred five thousand, three hundred forty-two".