54043879 has 4 divisors (see below), whose sum is σ = 54154440. Its totient is φ = 53933320.

The previous prime is 54043861. The next prime is 54043883. The reversal of 54043879 is 97834045.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97834045 = 5 ⋅19566809.

It is a cyclic number.

It is not a de Polignac number, because 54043879 - 2⁷ = 54043751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54043079) 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, 54544 + ... + 55525.

It is an arithmetic number, because the mean of its divisors is an integer number (13538610).

Almost surely, 2^54043879 is an apocalyptic number.

54043879 is a deficient number, since it is larger than the sum of its proper divisors (110561).

54043879 is a wasteful number, since it uses less digits than its factorization.

54043879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110560.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 54043879 is about 7351.4542098826. The cubic root of 54043879 is about 378.0786651691.

The spelling of 54043879 in words is "fifty-four million, forty-three thousand, eight hundred seventy-nine".