54943739 has 8 divisors (see below), whose sum is σ = 55619520. Its totient is φ = 54271296.

The previous prime is 54943729. The next prime is 54943753. The reversal of 54943739 is 93734945.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54943739 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 54943739.

It is not an unprimeable number, because it can be changed into a prime (54943709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49262 + ... + 50364.

It is an arithmetic number, because the mean of its divisors is an integer number (6952440).

Almost surely, 2^54943739 is an apocalyptic number.

54943739 is a deficient number, since it is larger than the sum of its proper divisors (675781).

54943739 is a wasteful number, since it uses less digits than its factorization.

54943739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669.

The product of its digits is 408240, while the sum is 44.

The square root of 54943739 is about 7412.4044007326. The cubic root of 54943739 is about 380.1655303765.

The spelling of 54943739 in words is "fifty-four million, nine hundred forty-three thousand, seven hundred thirty-nine".