51313332541 has 8 divisors (see below), whose sum is σ = 51660509184. Its totient is φ = 50966413680.

The previous prime is 51313332517. The next prime is 51313332589. The reversal of 51313332541 is 14523331315.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51313332541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51313332241) 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, 343716 + ... + 469858.

It is an arithmetic number, because the mean of its divisors is an integer number (6457563648).

Almost surely, 2^51313332541 is an apocalyptic number.

It is an amenable number.

51313332541 is a deficient number, since it is larger than the sum of its proper divisors (347176643).

51313332541 is a wasteful number, since it uses less digits than its factorization.

51313332541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128891.

The product of its digits is 16200, while the sum is 31.

Adding to 51313332541 its reverse (14523331315), we get a palindrome (65836663856).

The spelling of 51313332541 in words is "fifty-one billion, three hundred thirteen million, three hundred thirty-two thousand, five hundred forty-one".