54812129 has 4 divisors (see below), whose sum is σ = 54845700. Its totient is φ = 54778560.

The previous prime is 54812111. The next prime is 54812161. The reversal of 54812129 is 92121845.

54812129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34245904 + 20566225 = 5852^2 + 4535^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54812129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54812095 and 54812104.

It is not an unprimeable number, because it can be changed into a prime (54812629) 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 3 ways as a sum of consecutive naturals, for example, 14204 + ... + 17645.

It is an arithmetic number, because the mean of its divisors is an integer number (13711425).

Almost surely, 2^54812129 is an apocalyptic number.

It is an amenable number.

54812129 is a deficient number, since it is larger than the sum of its proper divisors (33571).

54812129 is a wasteful number, since it uses less digits than its factorization.

54812129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33570.

The product of its digits is 5760, while the sum is 32.

The square root of 54812129 is about 7403.5213918783. The cubic root of 54812129 is about 379.8617433325.

The spelling of 54812129 in words is "fifty-four million, eight hundred twelve thousand, one hundred twenty-nine".