45558899 has 2 divisors, whose sum is σ = 45558900. Its totient is φ = 45558898.

The previous prime is 45558893. The next prime is 45558907. The reversal of 45558899 is 99885554.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45558899 - 2¹⁶ = 45493363 is a prime.

It is a super-2 number, since 2×45558899² = 4151226556184402, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 45558899.

It is not a weakly prime, because it can be changed into another prime (45558893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22779449 + 22779450.

It is an arithmetic number, because the mean of its divisors is an integer number (22779450).

Almost surely, 2^45558899 is an apocalyptic number.

45558899 is a deficient number, since it is larger than the sum of its proper divisors (1).

45558899 is an equidigital number, since it uses as much as digits as its factorization.

45558899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592000, while the sum is 53.

The square root of 45558899 is about 6749.7332539886. The cubic root of 45558899 is about 357.1558270109.

The spelling of 45558899 in words is "forty-five million, five hundred fifty-eight thousand, eight hundred ninety-nine".