5508426621 has 4 divisors (see below), whose sum is σ = 7344568832. Its totient is φ = 3672284412.

The previous prime is 5508426593. The next prime is 5508426643. The reversal of 5508426621 is 1266248055.

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 not a de Polignac number, because 5508426621 - 2⁹ = 5508426109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5508426621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5508421621) 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 3 ways as a sum of consecutive naturals, for example, 918071101 + ... + 918071106.

It is an arithmetic number, because the mean of its divisors is an integer number (1836142208).

Almost surely, 2^5508426621 is an apocalyptic number.

It is an amenable number.

5508426621 is a deficient number, since it is larger than the sum of its proper divisors (1836142211).

5508426621 is a wasteful number, since it uses less digits than its factorization.

5508426621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1836142210.

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 5508426621 is about 74218.7753941009. The cubic root of 5508426621 is about 1766.0751897068.

The spelling of 5508426621 in words is "five billion, five hundred eight million, four hundred twenty-six thousand, six hundred twenty-one".