45816553 has 2 divisors, whose sum is σ = 45816554. Its totient is φ = 45816552.

The previous prime is 45816541. The next prime is 45816559. The reversal of 45816553 is 35561854.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37307664 + 8508889 = 6108^2 + 2917^2 .

It is a cyclic number.

It is not a de Polignac number, because 45816553 - 2⁵ = 45816521 is a prime.

It is not a weakly prime, because it can be changed into another prime (45816559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22908276 + 22908277.

It is an arithmetic number, because the mean of its divisors is an integer number (22908277).

Almost surely, 2^45816553 is an apocalyptic number.

It is an amenable number.

45816553 is a deficient number, since it is larger than the sum of its proper divisors (1).

45816553 is an equidigital number, since it uses as much as digits as its factorization.

45816553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72000, while the sum is 37.

The square root of 45816553 is about 6768.7925806602. The cubic root of 45816553 is about 357.8278486313.

The spelling of 45816553 in words is "forty-five million, eight hundred sixteen thousand, five hundred fifty-three".