51554334141 has 10 divisors (see below), whose sum is σ = 77013264702. Its totient is φ = 34369556040.

The previous prime is 51554334077. The next prime is 51554334163. The reversal of 51554334141 is 14143345515.

It can be written as a sum of positive squares in only one way, i.e., 36559352025 + 14994982116 = 191205^2 + 122454^2 .

It is not a de Polignac number, because 51554334141 - 2⁶ = 51554334077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51554334096 and 51554334105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51554334241) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 318236550 + ... + 318236711.

Almost surely, 2^51554334141 is an apocalyptic number.

It is an amenable number.

51554334141 is a deficient number, since it is larger than the sum of its proper divisors (25458930561).

51554334141 is an equidigital number, since it uses as much as digits as its factorization.

51554334141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636473273 (or 636473264 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

Adding to 51554334141 its reverse (14143345515), we get a palindrome (65697679656).

The spelling of 51554334141 in words is "fifty-one billion, five hundred fifty-four million, three hundred thirty-four thousand, one hundred forty-one".