45564557 has 2 divisors, whose sum is σ = 45564558. Its totient is φ = 45564556.

The previous prime is 45564511. The next prime is 45564581. The reversal of 45564557 is 75546554.

45564557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30151081 + 15413476 = 5491^2 + 3926^2 .

It is a cyclic number.

It is not a de Polignac number, because 45564557 - 2¹⁰ = 45563533 is a prime.

It is a super-2 number, since 2×45564557² = 4152257709212498, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45564457) 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, 22782278 + 22782279.

It is an arithmetic number, because the mean of its divisors is an integer number (22782279).

Almost surely, 2^45564557 is an apocalyptic number.

It is an amenable number.

45564557 is a deficient number, since it is larger than the sum of its proper divisors (1).

45564557 is an equidigital number, since it uses as much as digits as its factorization.

45564557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 420000, while the sum is 41.

The square root of 45564557 is about 6750.1523686507. The cubic root of 45564557 is about 357.1706115650.

The spelling of 45564557 in words is "forty-five million, five hundred sixty-four thousand, five hundred fifty-seven".