45553223 has 2 divisors, whose sum is σ = 45553224. Its totient is φ = 45553222.

The previous prime is 45553201. The next prime is 45553231. The reversal of 45553223 is 32235554.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45553223 - 2⁶ = 45553159 is a prime.

It is a super-2 number, since 2×45553223² = 4150192251375458, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45553243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22776611 + 22776612.

It is an arithmetic number, because the mean of its divisors is an integer number (22776612).

Almost surely, 2^45553223 is an apocalyptic number.

45553223 is a deficient number, since it is larger than the sum of its proper divisors (1).

45553223 is an equidigital number, since it uses as much as digits as its factorization.

45553223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18000, while the sum is 29.

The square root of 45553223 is about 6749.3127798317. The cubic root of 45553223 is about 357.1409941922.

Adding to 45553223 its reverse (32235554), we get a palindrome (77788777).

The spelling of 45553223 in words is "forty-five million, five hundred fifty-three thousand, two hundred twenty-three".