5527148821 has 4 divisors (see below), whose sum is σ = 5555205612. Its totient is φ = 5499092032.

The previous prime is 5527148819. The next prime is 5527148827. The reversal of 5527148821 is 1288417255.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1288417255 = 5 ⋅257683451.

It can be written as a sum of positive squares in 2 ways, for example, as 3205258225 + 2321890596 = 56615^2 + 48186^2 .

It is a cyclic number.

It is not a de Polignac number, because 5527148821 - 2¹ = 5527148819 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5527148827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14028100 + ... + 14028493.

It is an arithmetic number, because the mean of its divisors is an integer number (1388801403).

Almost surely, 2^5527148821 is an apocalyptic number.

It is an amenable number.

5527148821 is a deficient number, since it is larger than the sum of its proper divisors (28056791).

5527148821 is a wasteful number, since it uses less digits than its factorization.

5527148821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28056790.

The product of its digits is 179200, while the sum is 43.

The square root of 5527148821 is about 74344.7968656852. The cubic root of 5527148821 is about 1768.0737896226.

The spelling of 5527148821 in words is "five billion, five hundred twenty-seven million, one hundred forty-eight thousand, eight hundred twenty-one".