51552130313 has 2 divisors, whose sum is σ = 51552130314. Its totient is φ = 51552130312.

The previous prime is 51552130309. The next prime is 51552130321. The reversal of 51552130313 is 31303125515.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47048646649 + 4503483664 = 216907^2 + 67108^2 .

It is a cyclic number.

It is not a de Polignac number, because 51552130313 - 2² = 51552130309 is a prime.

It is not a weakly prime, because it can be changed into another prime (51552130013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25776065156 + 25776065157.

It is an arithmetic number, because the mean of its divisors is an integer number (25776065157).

Almost surely, 2^51552130313 is an apocalyptic number.

It is an amenable number.

51552130313 is a deficient number, since it is larger than the sum of its proper divisors (1).

51552130313 is an equidigital number, since it uses as much as digits as its factorization.

51552130313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6750, while the sum is 29.

Adding to 51552130313 its reverse (31303125515), we get a palindrome (82855255828).

The spelling of 51552130313 in words is "fifty-one billion, five hundred fifty-two million, one hundred thirty thousand, three hundred thirteen".