45655559 has 2 divisors, whose sum is σ = 45655560. Its totient is φ = 45655558.

The previous prime is 45655549. The next prime is 45655567. The reversal of 45655559 is 95555654.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45655559 - 2²⁰ = 44606983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45655549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22827779 + 22827780.

It is an arithmetic number, because the mean of its divisors is an integer number (22827780).

Almost surely, 2^45655559 is an apocalyptic number.

45655559 is a deficient number, since it is larger than the sum of its proper divisors (1).

45655559 is an equidigital number, since it uses as much as digits as its factorization.

45655559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 675000, while the sum is 44.

The square root of 45655559 is about 6756.8897430697. The cubic root of 45655559 is about 357.4082350419.

The spelling of 45655559 in words is "forty-five million, six hundred fifty-five thousand, five hundred fifty-nine".