54819729 has 12 divisors (see below), whose sum is σ = 79359696. Its totient is φ = 36465432.

The previous prime is 54819727. The next prime is 54819763. The reversal of 54819729 is 92791845.

54819729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54819729 - 2¹ = 54819727 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54819727) 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 11 ways as a sum of consecutive naturals, for example, 2319 + ... + 10724.

It is an arithmetic number, because the mean of its divisors is an integer number (6613308).

Almost surely, 2^54819729 is an apocalyptic number.

It is an amenable number.

54819729 is a deficient number, since it is larger than the sum of its proper divisors (24539967).

54819729 is a wasteful number, since it uses less digits than its factorization.

54819729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13516 (or 13513 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 54819729 is about 7404.0346433549. The cubic root of 54819729 is about 379.8792991538.

The spelling of 54819729 in words is "fifty-four million, eight hundred nineteen thousand, seven hundred twenty-nine".