4945553 has 2 divisors, whose sum is σ = 4945554. Its totient is φ = 4945552.

The previous prime is 4945541. The next prime is 4945579. The reversal of 4945553 is 3555494.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2486929 + 2458624 = 1577^2 + 1568^2 .

It is a cyclic number.

It is not a de Polignac number, because 4945553 - 2⁴ = 4945537 is a prime.

It is not a weakly prime, because it can be changed into another prime (4945513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2472776 + 2472777.

It is an arithmetic number, because the mean of its divisors is an integer number (2472777).

Almost surely, 2^4945553 is an apocalyptic number.

It is an amenable number.

4945553 is a deficient number, since it is larger than the sum of its proper divisors (1).

4945553 is an equidigital number, since it uses as much as digits as its factorization.

4945553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54000, while the sum is 35.

The square root of 4945553 is about 2223.8599326396. The cubic root of 4945553 is about 170.3746408992.

The spelling of 4945553 in words is "four million, nine hundred forty-five thousand, five hundred fifty-three".