54149759 has 4 divisors (see below), whose sum is σ = 55613304. Its totient is φ = 52686216.

The previous prime is 54149737. The next prime is 54149773. The reversal of 54149759 is 95794145.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54149759 is a prime.

It is a super-3 number, since 3×54149759³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54149789) 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, 731717 + ... + 731790.

It is an arithmetic number, because the mean of its divisors is an integer number (13903326).

Almost surely, 2^54149759 is an apocalyptic number.

54149759 is a deficient number, since it is larger than the sum of its proper divisors (1463545).

54149759 is a wasteful number, since it uses less digits than its factorization.

54149759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463544.

The product of its digits is 226800, while the sum is 44.

The square root of 54149759 is about 7358.6519825305. The cubic root of 54149759 is about 378.3254082232.

The spelling of 54149759 in words is "fifty-four million, one hundred forty-nine thousand, seven hundred fifty-nine".