5504421420 has 72 divisors (see below), whose sum is σ = 17315158224. Its totient is φ = 1467844416.

The previous prime is 5504421389. The next prime is 5504421431. The reversal of 5504421420 is 241244055.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 561439 + ... + 571158.

Almost surely, 2^5504421420 is an apocalyptic number.

It is an amenable number.

5504421420 is an abundant number, since it is smaller than the sum of its proper divisors (11810736804).

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

5504421420 is a wasteful number, since it uses less digits than its factorization.

5504421420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132621 (or 1132607 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 5504421420 is about 74191.7880900575. The cubic root of 5504421420 is about 1765.6470455994.

Adding to 5504421420 its reverse (241244055), we get a palindrome (5745665475).

The spelling of 5504421420 in words is "five billion, five hundred four million, four hundred twenty-one thousand, four hundred twenty".