54771729 has 16 divisors (see below), whose sum is σ = 75790848. Its totient is φ = 35154432.

The previous prime is 54771721. The next prime is 54771751. The reversal of 54771729 is 92717745.

It is not a de Polignac number, because 54771729 - 2³ = 54771721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54771721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8224 + ... + 13310.

It is an arithmetic number, because the mean of its divisors is an integer number (4736928).

Almost surely, 2^54771729 is an apocalyptic number.

It is an amenable number.

54771729 is a deficient number, since it is larger than the sum of its proper divisors (21019119).

54771729 is a wasteful number, since it uses less digits than its factorization.

54771729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5224.

The product of its digits is 123480, while the sum is 42.

The square root of 54771729 is about 7400.7924575683. The cubic root of 54771729 is about 379.7683930304.

The spelling of 54771729 in words is "fifty-four million, seven hundred seventy-one thousand, seven hundred twenty-nine".