550025280533 has 2 divisors, whose sum is σ = 550025280534. Its totient is φ = 550025280532.

The previous prime is 550025280457. The next prime is 550025280569. The reversal of 550025280533 is 335082520055.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 525245168644 + 24780111889 = 724738^2 + 157417^2 .

It is a cyclic number.

It is not a de Polignac number, because 550025280533 - 2¹⁰ = 550025279509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550025280733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275012640266 + 275012640267.

It is an arithmetic number, because the mean of its divisors is an integer number (275012640267).

Almost surely, 2^550025280533 is an apocalyptic number.

It is an amenable number.

550025280533 is a deficient number, since it is larger than the sum of its proper divisors (1).

550025280533 is an equidigital number, since it uses as much as digits as its factorization.

550025280533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 550025280533 in words is "five hundred fifty billion, twenty-five million, two hundred eighty thousand, five hundred thirty-three".