51552244131 has 8 divisors (see below), whose sum is σ = 68748775104. Its totient is φ = 34361937960.

The previous prime is 51552244129. The next prime is 51552244147. The reversal of 51552244131 is 13144225515.

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

It is not a de Polignac number, because 51552244131 - 2¹ = 51552244129 is a prime.

It is a super-2 number, since 2×51552244131² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51552244092 and 51552244101.

It is not an unprimeable number, because it can be changed into a prime (51552244531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1536841 + ... + 1570026.

It is an arithmetic number, because the mean of its divisors is an integer number (8593596888).

Almost surely, 2^51552244131 is an apocalyptic number.

51552244131 is a deficient number, since it is larger than the sum of its proper divisors (17196530973).

51552244131 is a wasteful number, since it uses less digits than its factorization.

51552244131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3112401.

The product of its digits is 24000, while the sum is 33.

Adding to 51552244131 its reverse (13144225515), we get a palindrome (64696469646).

The spelling of 51552244131 in words is "fifty-one billion, five hundred fifty-two million, two hundred forty-four thousand, one hundred thirty-one".