45455539 has 2 divisors, whose sum is σ = 45455540. Its totient is φ = 45455538.

The previous prime is 45455537. The next prime is 45455551. The reversal of 45455539 is 93555454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45455539 - 2¹ = 45455537 is a prime.

Together with 45455537, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45455537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22727769 + 22727770.

It is an arithmetic number, because the mean of its divisors is an integer number (22727770).

Almost surely, 2^45455539 is an apocalyptic number.

45455539 is a deficient number, since it is larger than the sum of its proper divisors (1).

45455539 is an equidigital number, since it uses as much as digits as its factorization.

45455539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 270000, while the sum is 40.

The square root of 45455539 is about 6742.0723075328. The cubic root of 45455539 is about 356.8855279819.

The spelling of 45455539 in words is "forty-five million, four hundred fifty-five thousand, five hundred thirty-nine".