54420129 has 9 divisors (see below), whose sum is σ = 78638833. Its totient is φ = 36265332.

The previous prime is 54420101. The next prime is 54420131. The reversal of 54420129 is 92102445.

The square root of 54420129 is 7377.

It is a perfect power (a square), and thus also a powerful number.

54420129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 54420129 - 2¹⁹ = 53895841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54420169) 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 in 8 ways as a sum of consecutive naturals, for example, 20902 + ... + 23360.

Almost surely, 2^54420129 is an apocalyptic number.

54420129 is the 7377-th square number.

54420129 is the 3689-th centered octagonal number.

It is an amenable number.

54420129 is a deficient number, since it is larger than the sum of its proper divisors (24218704).

54420129 is an frugal number, since it uses more digits than its factorization.

54420129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4924 (or 2462 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The cubic root of 54420129 is about 378.9540233328.

The spelling of 54420129 in words is "fifty-four million, four hundred twenty thousand, one hundred twenty-nine".