550000500397 has 2 divisors, whose sum is σ = 550000500398. Its totient is φ = 550000500396.

The previous prime is 550000500389. The next prime is 550000500559. The reversal of 550000500397 is 793005000055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 414698648841 + 135301851556 = 643971^2 + 367834^2 .

It is a cyclic number.

It is not a de Polignac number, because 550000500397 - 2³ = 550000500389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550000500337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275000250198 + 275000250199.

It is an arithmetic number, because the mean of its divisors is an integer number (275000250199).

Almost surely, 2^550000500397 is an apocalyptic number.

It is an amenable number.

550000500397 is a deficient number, since it is larger than the sum of its proper divisors (1).

550000500397 is an equidigital number, since it uses as much as digits as its factorization.

550000500397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23625, while the sum is 34.

The spelling of 550000500397 in words is "five hundred fifty billion, five hundred thousand, three hundred ninety-seven".