445553543 has 2 divisors, whose sum is σ = 445553544. Its totient is φ = 445553542.

The previous prime is 445553513. The next prime is 445553567. The reversal of 445553543 is 345355544.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 445553543 - 2²² = 441359239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 445553497 and 445553506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445553503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222776771 + 222776772.

It is an arithmetic number, because the mean of its divisors is an integer number (222776772).

Almost surely, 2^445553543 is an apocalyptic number.

445553543 is a deficient number, since it is larger than the sum of its proper divisors (1).

445553543 is an equidigital number, since it uses as much as digits as its factorization.

445553543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 360000, while the sum is 38.

The square root of 445553543 is about 21108.1392595368. The cubic root of 445553543 is about 763.7771015140. Note that the first 3 decimals are identical.

The spelling of 445553543 in words is "four hundred forty-five million, five hundred fifty-three thousand, five hundred forty-three".