554550001 has 2 divisors, whose sum is σ = 554550002. Its totient is φ = 554550000.

The previous prime is 554549999. The next prime is 554550037. The reversal of 554550001 is 100055455.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 353477601 + 201072400 = 18801^2 + 14180^2 .

It is a cyclic number.

It is not a de Polignac number, because 554550001 - 2¹ = 554549999 is a prime.

Together with 554549999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (554550071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277275000 + 277275001.

It is an arithmetic number, because the mean of its divisors is an integer number (277275001).

Almost surely, 2^554550001 is an apocalyptic number.

It is an amenable number.

554550001 is a deficient number, since it is larger than the sum of its proper divisors (1).

554550001 is an equidigital number, since it uses as much as digits as its factorization.

554550001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 554550001 is about 23548.8853451708. The cubic root of 554550001 is about 821.5744097427.

The spelling of 554550001 in words is "five hundred fifty-four million, five hundred fifty thousand, one".