5555121304 has 16 divisors (see below), whose sum is σ = 10416720600. Its totient is φ = 2777329152.

The previous prime is 5555121293. The next prime is 5555121307. The reversal of 5555121304 is 4031215555.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5555121307) 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, 115384 + ... + 156280.

Almost surely, 2^5555121304 is an apocalyptic number.

It is an amenable number.

5555121304 is a deficient number, since it is larger than the sum of its proper divisors (4861599296).

5555121304 is a wasteful number, since it uses less digits than its factorization.

5555121304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57882 (or 57878 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 5555121304 is about 74532.6861450733. The cubic root of 5555121304 is about 1771.0514679883.

Adding to 5555121304 its reverse (4031215555), we get a palindrome (9586336859).

The spelling of 5555121304 in words is "five billion, five hundred fifty-five million, one hundred twenty-one thousand, three hundred four".