5639554001 has 2 divisors, whose sum is σ = 5639554002. Its totient is φ = 5639554000.

The previous prime is 5639553979. The next prime is 5639554003. The reversal of 5639554001 is 1004559365.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5247553600 + 392000401 = 72440^2 + 19799^2 .

It is a cyclic number.

It is not a de Polignac number, because 5639554001 - 2³⁰ = 4565812177 is a prime.

It is a Sophie Germain prime.

Together with 5639554003, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (5639554003) 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, 2819777000 + 2819777001.

It is an arithmetic number, because the mean of its divisors is an integer number (2819777001).

Almost surely, 2^5639554001 is an apocalyptic number.

It is an amenable number.

5639554001 is a deficient number, since it is larger than the sum of its proper divisors (1).

5639554001 is an equidigital number, since it uses as much as digits as its factorization.

5639554001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81000, while the sum is 38.

The square root of 5639554001 is about 75096.9639932268. The cubic root of 5639554001 is about 1779.9791691582.

The spelling of 5639554001 in words is "five billion, six hundred thirty-nine million, five hundred fifty-four thousand, one".