5554512121 has 8 divisors (see below), whose sum is σ = 5825438784. Its totient is φ = 5286037680.

The previous prime is 5554512109. The next prime is 5554512127. The reversal of 5554512121 is 1212154555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5554512121 - 2²¹ = 5552414969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5554512127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 608415 + ... + 617476.

It is an arithmetic number, because the mean of its divisors is an integer number (728179848).

Almost surely, 2^5554512121 is an apocalyptic number.

It is an amenable number.

5554512121 is a deficient number, since it is larger than the sum of its proper divisors (270926663).

5554512121 is a wasteful number, since it uses less digits than its factorization.

5554512121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226111.

The product of its digits is 10000, while the sum is 31.

The square root of 5554512121 is about 74528.5993495115. The cubic root of 5554512121 is about 1770.9867268946.

Adding to 5554512121 its reverse (1212154555), we get a palindrome (6766666676).

The spelling of 5554512121 in words is "five billion, five hundred fifty-four million, five hundred twelve thousand, one hundred twenty-one".