4552817805 has 24 divisors (see below), whose sum is σ = 7893122328. Its totient is φ = 2427686016.

The previous prime is 4552817803. The next prime is 4552817809. The reversal of 4552817805 is 5087182554.

4552817805 is a `hidden beast` number, since 4 + 552 + 8 + 17 + 80 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1100315241 + 3452502564 = 33171^2 + 58758^2 .

It is not a de Polignac number, because 4552817805 - 2¹ = 4552817803 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4552817803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 423679 + ... + 434291.

It is an arithmetic number, because the mean of its divisors is an integer number (328880097).

Almost surely, 2^4552817805 is an apocalyptic number.

4552817805 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4552817805 is a deficient number, since it is larger than the sum of its proper divisors (3340304523).

4552817805 is a wasteful number, since it uses less digits than its factorization.

4552817805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20157 (or 20154 counting only the distinct ones).

The product of its (nonzero) digits is 448000, while the sum is 45.

The square root of 4552817805 is about 67474.5715436564. The cubic root of 4552817805 is about 1657.3977960909.

The spelling of 4552817805 in words is "four billion, five hundred fifty-two million, eight hundred seventeen thousand, eight hundred five".