51552015331 has 2 divisors, whose sum is σ = 51552015332. Its totient is φ = 51552015330.

The previous prime is 51552015323. The next prime is 51552015341. The reversal of 51552015331 is 13351025515.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51552015331 - 2³ = 51552015323 is a prime.

It is a super-2 number, since 2×51552015331² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51552015293 and 51552015302.

It is not a weakly prime, because it can be changed into another prime (51552015341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25776007665 + 25776007666.

It is an arithmetic number, because the mean of its divisors is an integer number (25776007666).

Almost surely, 2^51552015331 is an apocalyptic number.

51552015331 is a deficient number, since it is larger than the sum of its proper divisors (1).

51552015331 is an equidigital number, since it uses as much as digits as its factorization.

51552015331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11250, while the sum is 31.

The spelling of 51552015331 in words is "fifty-one billion, five hundred fifty-two million, fifteen thousand, three hundred thirty-one".