5055521 has 2 divisors, whose sum is σ = 5055522. Its totient is φ = 5055520.

The previous prime is 5055509. The next prime is 5055551. The reversal of 5055521 is 1255505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3845521 + 1210000 = 1961^2 + 1100^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5055521 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5055551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2527760 + 2527761.

It is an arithmetic number, because the mean of its divisors is an integer number (2527761).

Almost surely, 2^5055521 is an apocalyptic number.

It is an amenable number.

5055521 is a deficient number, since it is larger than the sum of its proper divisors (1).

5055521 is an equidigital number, since it uses as much as digits as its factorization.

5055521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1250, while the sum is 23.

The square root of 5055521 is about 2248.4485762410. The cubic root of 5055521 is about 171.6281967818.

The spelling of 5055521 in words is "five million, fifty-five thousand, five hundred twenty-one".