54729743 has 4 divisors (see below), whose sum is σ = 54747168. Its totient is φ = 54712320.

The previous prime is 54729739. The next prime is 54729781. The reversal of 54729743 is 34792745.

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

It is a cyclic number.

It is not a de Polignac number, because 54729743 - 2² = 54729739 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54729743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54729343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2546 + ... + 10767.

It is an arithmetic number, because the mean of its divisors is an integer number (13686792).

Almost surely, 2^54729743 is an apocalyptic number.

54729743 is a deficient number, since it is larger than the sum of its proper divisors (17425).

54729743 is a wasteful number, since it uses less digits than its factorization.

54729743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17424.

The product of its digits is 211680, while the sum is 41.

The square root of 54729743 is about 7397.9553256288. The cubic root of 54729743 is about 379.6713293807.

The spelling of 54729743 in words is "fifty-four million, seven hundred twenty-nine thousand, seven hundred forty-three".