51450533734553 has 2 divisors, whose sum is σ = 51450533734554. Its totient is φ = 51450533734552.

The previous prime is 51450533734519. The next prime is 51450533734571. The reversal of 51450533734553 is 35543733505415.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39940276508224 + 11510257226329 = 6319832^2 + 3392677^2 .

It is a cyclic number.

It is not a de Polignac number, because 51450533734553 - 2³⁶ = 51381814257817 is a prime.

It is a super-2 number, since 2×51450533734553² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51450533734495 and 51450533734504.

It is not a weakly prime, because it can be changed into another prime (51450533794553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25725266867276 + 25725266867277.

It is an arithmetic number, because the mean of its divisors is an integer number (25725266867277).

Almost surely, 2^{51450533734553} is an apocalyptic number.

It is an amenable number.

51450533734553 is a deficient number, since it is larger than the sum of its proper divisors (1).

51450533734553 is an equidigital number, since it uses as much as digits as its factorization.

51450533734553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28350000, while the sum is 53.

The spelling of 51450533734553 in words is "fifty-one trillion, four hundred fifty billion, five hundred thirty-three million, seven hundred thirty-four thousand, five hundred fifty-three".