5508421631 has 4 divisors (see below), whose sum is σ = 5510013000. Its totient is φ = 5506830264.

The previous prime is 5508421621. The next prime is 5508421643. The reversal of 5508421631 is 1361248055.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5508421631 - 2¹⁴ = 5508405247 is a prime.

It is a super-2 number, since 2×5508421631² = 60685417729737400322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5508421591 and 5508421600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5508421601) 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, 790481 + ... + 797418.

It is an arithmetic number, because the mean of its divisors is an integer number (1377503250).

Almost surely, 2^5508421631 is an apocalyptic number.

5508421631 is a deficient number, since it is larger than the sum of its proper divisors (1591369).

5508421631 is a wasteful number, since it uses less digits than its factorization.

5508421631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1591368.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 5508421631 is about 74218.7417772627. The cubic root of 5508421631 is about 1766.0746564197.

Adding to 5508421631 its reverse (1361248055), we get a palindrome (6869669686).

The spelling of 5508421631 in words is "five billion, five hundred eight million, four hundred twenty-one thousand, six hundred thirty-one".