45557543 has 2 divisors, whose sum is σ = 45557544. Its totient is φ = 45557542.

The previous prime is 45557537. The next prime is 45557557. The reversal of 45557543 is 34575554.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45557543 - 2⁸ = 45557287 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45557497 and 45557506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45557563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22778771 + 22778772.

It is an arithmetic number, because the mean of its divisors is an integer number (22778772).

Almost surely, 2^45557543 is an apocalyptic number.

45557543 is a deficient number, since it is larger than the sum of its proper divisors (1).

45557543 is an equidigital number, since it uses as much as digits as its factorization.

45557543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 210000, while the sum is 38.

The square root of 45557543 is about 6749.6328048272. The cubic root of 45557543 is about 357.1522835531.

The spelling of 45557543 in words is "forty-five million, five hundred fifty-seven thousand, five hundred forty-three".