5452522821 has 12 divisors (see below), whose sum is σ = 7888722348. Its totient is φ = 3629081664.

The previous prime is 5452522793. The next prime is 5452522847. The reversal of 5452522821 is 1282252545.

5452522821 is a `hidden beast` number, since 5 + 4 + 52 + 522 + 82 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 22896225 + 5429626596 = 4785^2 + 73686^2 .

It is not a de Polignac number, because 5452522821 - 2¹⁹ = 5451998533 is a prime.

It is a super-2 number, since 2×5452522821² = 59460010227051596082, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5452522921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 488640 + ... + 499673.

It is an arithmetic number, because the mean of its divisors is an integer number (657393529).

Almost surely, 2^5452522821 is an apocalyptic number.

It is an amenable number.

5452522821 is a deficient number, since it is larger than the sum of its proper divisors (2436199527).

5452522821 is a wasteful number, since it uses less digits than its factorization.

5452522821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988932 (or 988929 counting only the distinct ones).

The product of its digits is 64000, while the sum is 36.

The square root of 5452522821 is about 73841.2000241058. The cubic root of 5452522821 is about 1760.0803618824.

The spelling of 5452522821 in words is "five billion, four hundred fifty-two million, five hundred twenty-two thousand, eight hundred twenty-one".