5511001 has 2 divisors, whose sum is σ = 5511002. Its totient is φ = 5511000.

The previous prime is 5510977. The next prime is 5511017. The reversal of 5511001 is 1001155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2886601 + 2624400 = 1699^2 + 1620^2 .

It is a cyclic number.

It is not a de Polignac number, because 5511001 - 2⁹ = 5510489 is a prime.

It is a super-2 number, since 2×5511001² = 60742264044002, which contains 22 as substring.

It is an Ulam number.

5511001 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (5511041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2755500 + 2755501.

It is an arithmetic number, because the mean of its divisors is an integer number (2755501).

Almost surely, 2^5511001 is an apocalyptic number.

It is an amenable number.

5511001 is a deficient number, since it is larger than the sum of its proper divisors (1).

5511001 is an equidigital number, since it uses as much as digits as its factorization.

5511001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25, while the sum is 13.

The square root of 5511001 is about 2347.5521293467. The cubic root of 5511001 is about 176.6350273628.

Adding to 5511001 its reverse (1001155), we get a palindrome (6512156).

The spelling of 5511001 in words is "five million, five hundred eleven thousand, one".