54117843 has 32 divisors (see below), whose sum is σ = 79968000. Its totient is φ = 32351616.

The previous prime is 54117839. The next prime is 54117881. The reversal of 54117843 is 34871145.

It is not a de Polignac number, because 54117843 - 2² = 54117839 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54117043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 363133 + ... + 363281.

It is an arithmetic number, because the mean of its divisors is an integer number (2499000).

Almost surely, 2^54117843 is an apocalyptic number.

54117843 is a deficient number, since it is larger than the sum of its proper divisors (25850157).

54117843 is a wasteful number, since it uses less digits than its factorization.

54117843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371.

The product of its digits is 13440, while the sum is 33.

The square root of 54117843 is about 7356.4830591798. The cubic root of 54117843 is about 378.2510649759.

Adding to 54117843 its reverse (34871145), we get a palindrome (88988988).

The spelling of 54117843 in words is "fifty-four million, one hundred seventeen thousand, eight hundred forty-three".