54840849 has 24 divisors (see below), whose sum is σ = 86676480. Its totient is φ = 30741984.

The previous prime is 54840847. The next prime is 54840853. The reversal of 54840849 is 94804845.

It is not a de Polignac number, because 54840849 - 2¹ = 54840847 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54840849.

It is not an unprimeable number, because it can be changed into a prime (54840847) 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 23 ways as a sum of consecutive naturals, for example, 4272 + ... + 11310.

It is an arithmetic number, because the mean of its divisors is an integer number (3611520).

Almost surely, 2^54840849 is an apocalyptic number.

It is an amenable number.

54840849 is a deficient number, since it is larger than the sum of its proper divisors (31835631).

54840849 is a wasteful number, since it uses less digits than its factorization.

54840849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7109 (or 7102 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 54840849 is about 7405.4607554156. The cubic root of 54840849 is about 379.9280773391.

The spelling of 54840849 in words is "fifty-four million, eight hundred forty thousand, eight hundred forty-nine".