554824649 has 2 divisors, whose sum is σ = 554824650. Its totient is φ = 554824648.

The previous prime is 554824619. The next prime is 554824651. The reversal of 554824649 is 946428455.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 295840000 + 258984649 = 17200^2 + 16093^2 .

It is a cyclic number.

It is not a de Polignac number, because 554824649 - 2²⁸ = 286389193 is a prime.

It is a super-2 number, since 2×554824649² = 615660782275946402, which contains 22 as substring.

Together with 554824651, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (554824609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277412324 + 277412325.

It is an arithmetic number, because the mean of its divisors is an integer number (277412325).

Almost surely, 2^554824649 is an apocalyptic number.

It is an amenable number.

554824649 is a deficient number, since it is larger than the sum of its proper divisors (1).

554824649 is an equidigital number, since it uses as much as digits as its factorization.

554824649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1382400, while the sum is 47.

The square root of 554824649 is about 23554.7160670639. The cubic root of 554824649 is about 821.7100191120.

The spelling of 554824649 in words is "five hundred fifty-four million, eight hundred twenty-four thousand, six hundred forty-nine".