54988121 has 2 divisors, whose sum is σ = 54988122. Its totient is φ = 54988120.

The previous prime is 54988111. The next prime is 54988127. The reversal of 54988121 is 12188945.

54988121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33235225 + 21752896 = 5765^2 + 4664^2 .

It is a cyclic number.

It is not a de Polignac number, because 54988121 - 2¹⁴ = 54971737 is a prime.

It is a super-2 number, since 2×54988121² = 6047386902221282, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54988127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27494060 + 27494061.

It is an arithmetic number, because the mean of its divisors is an integer number (27494061).

Almost surely, 2^54988121 is an apocalyptic number.

It is an amenable number.

54988121 is a deficient number, since it is larger than the sum of its proper divisors (1).

54988121 is an equidigital number, since it uses as much as digits as its factorization.

54988121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 38.

The square root of 54988121 is about 7415.3975618304. The cubic root of 54988121 is about 380.2678651519.

The spelling of 54988121 in words is "fifty-four million, nine hundred eighty-eight thousand, one hundred twenty-one".