54843913 has 4 divisors (see below), whose sum is σ = 54882000. Its totient is φ = 54805828.

The previous prime is 54843907. The next prime is 54843947. The reversal of 54843913 is 31934845.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54843913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54843013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16795 + ... + 19792.

It is an arithmetic number, because the mean of its divisors is an integer number (13720500).

Almost surely, 2^54843913 is an apocalyptic number.

It is an amenable number.

54843913 is a deficient number, since it is larger than the sum of its proper divisors (38087).

54843913 is a wasteful number, since it uses less digits than its factorization.

54843913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38086.

The product of its digits is 51840, while the sum is 37.

The square root of 54843913 is about 7405.6676268923. The cubic root of 54843913 is about 379.9351528310.

The spelling of 54843913 in words is "fifty-four million, eight hundred forty-three thousand, nine hundred thirteen".