5421135544 has 32 divisors (see below), whose sum is σ = 11124397440. Its totient is φ = 2456216800.

The previous prime is 5421135541. The next prime is 5421135553. The reversal of 5421135544 is 4455311245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5421135541) 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 7 ways as a sum of consecutive naturals, for example, 71674 + ... + 126409.

It is an arithmetic number, because the mean of its divisors is an integer number (347637420).

Almost surely, 2^5421135544 is an apocalyptic number.

It is an amenable number.

5421135544 is an abundant number, since it is smaller than the sum of its proper divisors (5703261896).

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

5421135544 is a wasteful number, since it uses less digits than its factorization.

5421135544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198411 (or 198407 counting only the distinct ones).

The product of its digits is 48000, while the sum is 34.

The square root of 5421135544 is about 73628.3610030809. The cubic root of 5421135544 is about 1756.6965781619.

Adding to 5421135544 its reverse (4455311245), we get a palindrome (9876446789).

The spelling of 5421135544 in words is "five billion, four hundred twenty-one million, one hundred thirty-five thousand, five hundred forty-four".