45384553 has 2 divisors, whose sum is σ = 45384554. Its totient is φ = 45384552.

The previous prime is 45384551. The next prime is 45384583. The reversal of 45384553 is 35548354.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33085504 + 12299049 = 5752^2 + 3507^2 .

It is a cyclic number.

It is not a de Polignac number, because 45384553 - 2¹ = 45384551 is a prime.

Together with 45384551, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (45384551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22692276 + 22692277.

It is an arithmetic number, because the mean of its divisors is an integer number (22692277).

Almost surely, 2^45384553 is an apocalyptic number.

It is an amenable number.

45384553 is a deficient number, since it is larger than the sum of its proper divisors (1).

45384553 is an equidigital number, since it uses as much as digits as its factorization.

45384553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144000, while the sum is 37.

The square root of 45384553 is about 6736.8058455027. The cubic root of 45384553 is about 356.6996534936.

The spelling of 45384553 in words is "forty-five million, three hundred eighty-four thousand, five hundred fifty-three".