5508438631 has 4 divisors (see below), whose sum is σ = 5514867072. Its totient is φ = 5502010192.

The previous prime is 5508438629. The next prime is 5508438643. The reversal of 5508438631 is 1368348055.

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 5508438631 - 2¹ = 5508438629 is a prime.

It is a super-2 number, since 2×5508438631² = 60685792302986308322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5508438731) 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, 3212935 + ... + 3214648.

It is an arithmetic number, because the mean of its divisors is an integer number (1378716768).

Almost surely, 2^5508438631 is an apocalyptic number.

5508438631 is a deficient number, since it is larger than the sum of its proper divisors (6428441).

5508438631 is an equidigital number, since it uses as much as digits as its factorization.

5508438631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6428440.

The product of its (nonzero) digits is 345600, while the sum is 43.

The square root of 5508438631 is about 74218.8563035028. The cubic root of 5508438631 is about 1766.0764732280.

The spelling of 5508438631 in words is "five billion, five hundred eight million, four hundred thirty-eight thousand, six hundred thirty-one".