45118553 has 2 divisors, whose sum is σ = 45118554. Its totient is φ = 45118552.

The previous prime is 45118523. The next prime is 45118603. The reversal of 45118553 is 35581154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36638809 + 8479744 = 6053^2 + 2912^2 .

It is a cyclic number.

It is not a de Polignac number, because 45118553 - 2¹⁰ = 45117529 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (45118523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22559276 + 22559277.

It is an arithmetic number, because the mean of its divisors is an integer number (22559277).

Almost surely, 2^45118553 is an apocalyptic number.

It is an amenable number.

45118553 is a deficient number, since it is larger than the sum of its proper divisors (1).

45118553 is an equidigital number, since it uses as much as digits as its factorization.

45118553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12000, while the sum is 32.

The square root of 45118553 is about 6717.0345391400. The cubic root of 45118553 is about 356.0014123792.

The spelling of 45118553 in words is "forty-five million, one hundred eighteen thousand, five hundred fifty-three".