5455342121 has 2 divisors, whose sum is σ = 5455342122. Its totient is φ = 5455342120.

The previous prime is 5455342117. The next prime is 5455342127. The reversal of 5455342121 is 1212435545.

5455342121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3280425625 + 2174916496 = 57275^2 + 46636^2 .

It is a cyclic number.

It is not a de Polignac number, because 5455342121 - 2² = 5455342117 is a prime.

It is not a weakly prime, because it can be changed into another prime (5455342127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2727671060 + 2727671061.

It is an arithmetic number, because the mean of its divisors is an integer number (2727671061).

Almost surely, 2^5455342121 is an apocalyptic number.

It is an amenable number.

5455342121 is a deficient number, since it is larger than the sum of its proper divisors (1).

5455342121 is an equidigital number, since it uses as much as digits as its factorization.

5455342121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24000, while the sum is 32.

The square root of 5455342121 is about 73860.2878480716. The cubic root of 5455342121 is about 1760.3836673257.

Adding to 5455342121 its reverse (1212435545), we get a palindrome (6667777666).

The spelling of 5455342121 in words is "five billion, four hundred fifty-five million, three hundred forty-two thousand, one hundred twenty-one".