54961121 has 2 divisors, whose sum is σ = 54961122. Its totient is φ = 54961120.

The previous prime is 54961111. The next prime is 54961133. The reversal of 54961121 is 12116945.

54961121 is digitally balanced in base 2, 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., 34810000 + 20151121 = 5900^2 + 4489^2 .

It is a cyclic number.

It is not a de Polignac number, because 54961121 - 2⁶ = 54961057 is a prime.

It is not a weakly prime, because it can be changed into another prime (54961111) 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, 27480560 + 27480561.

It is an arithmetic number, because the mean of its divisors is an integer number (27480561).

Almost surely, 2^54961121 is an apocalyptic number.

It is an amenable number.

54961121 is a deficient number, since it is larger than the sum of its proper divisors (1).

54961121 is an equidigital number, since it uses as much as digits as its factorization.

54961121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 29.

The square root of 54961121 is about 7413.5768020572. The cubic root of 54961121 is about 380.2056158692.

The spelling of 54961121 in words is "fifty-four million, nine hundred sixty-one thousand, one hundred twenty-one".