5505961 has 2 divisors, whose sum is σ = 5505962. Its totient is φ = 5505960.

The previous prime is 5505959. The next prime is 5505967. The reversal of 5505961 is 1695055.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3667225 + 1838736 = 1915^2 + 1356^2 .

It is a cyclic number.

It is not a de Polignac number, because 5505961 - 2¹ = 5505959 is a prime.

Together with 5505959, it forms a pair of twin primes.

It is a Chen prime.

5505961 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (5505967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2752980 + 2752981.

It is an arithmetic number, because the mean of its divisors is an integer number (2752981).

Almost surely, 2^5505961 is an apocalyptic number.

It is an amenable number.

5505961 is a deficient number, since it is larger than the sum of its proper divisors (1).

5505961 is an equidigital number, since it uses as much as digits as its factorization.

5505961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6750, while the sum is 31.

The square root of 5505961 is about 2346.4784252151. The cubic root of 5505961 is about 176.5811646700.

The spelling of 5505961 in words is "five million, five hundred five thousand, nine hundred sixty-one".