553224961 has 2 divisors, whose sum is σ = 553224962. Its totient is φ = 553224960.

The previous prime is 553224949. The next prime is 553225009. The reversal of 553224961 is 169422355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 366492736 + 186732225 = 19144^2 + 13665^2 .

It is a cyclic number.

It is not a de Polignac number, because 553224961 - 2⁹ = 553224449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 553224961.

It is not a weakly prime, because it can be changed into another prime (553222961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276612480 + 276612481.

It is an arithmetic number, because the mean of its divisors is an integer number (276612481).

Almost surely, 2^553224961 is an apocalyptic number.

It is an amenable number.

553224961 is a deficient number, since it is larger than the sum of its proper divisors (1).

553224961 is an equidigital number, since it uses as much as digits as its factorization.

553224961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 37.

The square root of 553224961 is about 23520.7347036609. The cubic root of 553224961 is about 820.9195321216.

The spelling of 553224961 in words is "five hundred fifty-three million, two hundred twenty-four thousand, nine hundred sixty-one".