55250505505457 has 2 divisors, whose sum is σ = 55250505505458. Its totient is φ = 55250505505456.

The previous prime is 55250505505331. The next prime is 55250505505471. The reversal of 55250505505457 is 75450550505255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54184674328576 + 1065831176881 = 7361024^2 + 1032391^2 .

It is a cyclic number.

It is not a de Polignac number, because 55250505505457 - 2¹⁴ = 55250505489073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55250505505399 and 55250505505408.

It is not a weakly prime, because it can be changed into another prime (55250505105457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27625252752728 + 27625252752729.

It is an arithmetic number, because the mean of its divisors is an integer number (27625252752729).

Almost surely, 2^{55250505505457} is an apocalyptic number.

It is an amenable number.

55250505505457 is a deficient number, since it is larger than the sum of its proper divisors (1).

55250505505457 is an equidigital number, since it uses as much as digits as its factorization.

55250505505457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21875000, while the sum is 53.

The spelling of 55250505505457 in words is "fifty-five trillion, two hundred fifty billion, five hundred five million, five hundred five thousand, four hundred fifty-seven".