5508324561021 has 4 divisors (see below), whose sum is σ = 7344432748032. Its totient is φ = 3672216374012.

The previous prime is 5508324561001. The next prime is 5508324561049. The reversal of 5508324561021 is 1201654238055.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5508324561021 - 2²⁶ = 5508257452157 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5508324561001) 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, 918054093501 + ... + 918054093506.

It is an arithmetic number, because the mean of its divisors is an integer number (1836108187008).

Almost surely, 2^{5508324561021} is an apocalyptic number.

It is an amenable number.

5508324561021 is a deficient number, since it is larger than the sum of its proper divisors (1836108187011).

5508324561021 is a wasteful number, since it uses less digits than its factorization.

5508324561021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1836108187010.

The product of its (nonzero) digits is 288000, while the sum is 42.

Adding to 5508324561021 its reverse (1201654238055), we get a palindrome (6709978799076).

The spelling of 5508324561021 in words is "five trillion, five hundred eight billion, three hundred twenty-four million, five hundred sixty-one thousand, twenty-one".