54661129 has 2 divisors, whose sum is σ = 54661130. Its totient is φ = 54661128.

The previous prime is 54661039. The next prime is 54661169. The reversal of 54661129 is 92116645.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44195904 + 10465225 = 6648^2 + 3235^2 .

It is a cyclic number.

It is not a de Polignac number, because 54661129 - 2²¹ = 52563977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54661094 and 54661103.

It is not a weakly prime, because it can be changed into another prime (54661169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27330564 + 27330565.

It is an arithmetic number, because the mean of its divisors is an integer number (27330565).

Almost surely, 2^54661129 is an apocalyptic number.

It is an amenable number.

54661129 is a deficient number, since it is larger than the sum of its proper divisors (1).

54661129 is an equidigital number, since it uses as much as digits as its factorization.

54661129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 34.

The square root of 54661129 is about 7393.3165088477. The cubic root of 54661129 is about 379.5125999509.

The spelling of 54661129 in words is "fifty-four million, six hundred sixty-one thousand, one hundred twenty-nine".