5431636554 has 16 divisors (see below), whose sum is σ = 10878224448. Its totient is φ = 1808053632.

The previous prime is 5431636549. The next prime is 5431636579. The reversal of 5431636554 is 4556361345.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 618247 + ... + 626970.

It is an arithmetic number, because the mean of its divisors is an integer number (679889028).

Almost surely, 2^5431636554 is an apocalyptic number.

5431636554 is an abundant number, since it is smaller than the sum of its proper divisors (5446587894).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5431636554 is a wasteful number, since it uses less digits than its factorization.

5431636554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245949.

The product of its digits is 648000, while the sum is 42.

The square root of 5431636554 is about 73699.6374075205. The cubic root of 5431636554 is about 1757.8301162069.

Adding to 5431636554 its reverse (4556361345), we get a palindrome (9987997899).

The spelling of 5431636554 in words is "five billion, four hundred thirty-one million, six hundred thirty-six thousand, five hundred fifty-four".