554404001 has 2 divisors, whose sum is σ = 554404002. Its totient is φ = 554404000.

The previous prime is 554403979. The next prime is 554404003. The reversal of 554404001 is 100404455.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 520752400 + 33651601 = 22820^2 + 5801^2 .

It is a cyclic number.

It is not a de Polignac number, because 554404001 - 2²² = 550209697 is a prime.

Together with 554404003, 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 (554404003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277202000 + 277202001.

It is an arithmetic number, because the mean of its divisors is an integer number (277202001).

Almost surely, 2^554404001 is an apocalyptic number.

It is an amenable number.

554404001 is a deficient number, since it is larger than the sum of its proper divisors (1).

554404001 is an equidigital number, since it uses as much as digits as its factorization.

554404001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 554404001 is about 23545.7852066989. The cubic root of 554404001 is about 821.5023029944.

Adding to 554404001 its reverse (100404455), we get a palindrome (654808456).

The spelling of 554404001 in words is "five hundred fifty-four million, four hundred four thousand, one".