54949218 has 16 divisors (see below), whose sum is σ = 112869120. Its totient is φ = 17821296.

The previous prime is 54949211. The next prime is 54949289. The reversal of 54949218 is 81294945.

54949218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 54949218.

It is not an unprimeable number, because it can be changed into a prime (54949211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123538 + ... + 123981.

It is an arithmetic number, because the mean of its divisors is an integer number (7054320).

Almost surely, 2^54949218 is an apocalyptic number.

54949218 is an abundant number, since it is smaller than the sum of its proper divisors (57919902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54949218 is a wasteful number, since it uses less digits than its factorization.

54949218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247561.

The product of its digits is 103680, while the sum is 42.

The square root of 54949218 is about 7412.7739747007. The cubic root of 54949218 is about 380.1781666826.

The spelling of 54949218 in words is "fifty-four million, nine hundred forty-nine thousand, two hundred eighteen".