51342133532 has 24 divisors (see below), whose sum is σ = 91475538000. Its totient is φ = 25210434816.

The previous prime is 51342133487. The next prime is 51342133537. The reversal of 51342133532 is 23533124315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51342133537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 471782 + ... + 570317.

It is an arithmetic number, because the mean of its divisors is an integer number (3811480750).

Almost surely, 2^51342133532 is an apocalyptic number.

It is an amenable number.

51342133532 is a deficient number, since it is larger than the sum of its proper divisors (40133404468).

51342133532 is a wasteful number, since it uses less digits than its factorization.

51342133532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042325 (or 1042323 counting only the distinct ones).

The product of its digits is 32400, while the sum is 32.

Adding to 51342133532 its reverse (23533124315), we get a palindrome (74875257847).

The spelling of 51342133532 in words is "fifty-one billion, three hundred forty-two million, one hundred thirty-three thousand, five hundred thirty-two".