550050255257 has 2 divisors, whose sum is σ = 550050255258. Its totient is φ = 550050255256.

The previous prime is 550050255233. The next prime is 550050255331. The reversal of 550050255257 is 752552050055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 547221185536 + 2829069721 = 739744^2 + 53189^2 .

It is a cyclic number.

It is not a de Polignac number, because 550050255257 - 2²⁶ = 549983146393 is a prime.

It is a super-2 number, since 2×550050255257² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (550050855257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275025127628 + 275025127629.

It is an arithmetic number, because the mean of its divisors is an integer number (275025127629).

Almost surely, 2^550050255257 is an apocalyptic number.

It is an amenable number.

550050255257 is a deficient number, since it is larger than the sum of its proper divisors (1).

550050255257 is an equidigital number, since it uses as much as digits as its factorization.

550050255257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 437500, while the sum is 41.

The spelling of 550050255257 in words is "five hundred fifty billion, fifty million, two hundred fifty-five thousand, two hundred fifty-seven".