54945949 has 4 divisors (see below), whose sum is σ = 55013536. Its totient is φ = 54878364.

The previous prime is 54945937. The next prime is 54945953. The reversal of 54945949 is 94954945.

54945949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 54945949 - 2¹¹ = 54943901 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54945049) 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 3 ways as a sum of consecutive naturals, for example, 32559 + ... + 34204.

It is an arithmetic number, because the mean of its divisors is an integer number (13753384).

Almost surely, 2^54945949 is an apocalyptic number.

It is an amenable number.

54945949 is a deficient number, since it is larger than the sum of its proper divisors (67587).

54945949 is an equidigital number, since it uses as much as digits as its factorization.

54945949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67586.

The product of its digits is 1166400, while the sum is 49.

The square root of 54945949 is about 7412.5534736688. The cubic root of 54945949 is about 380.1706274363.

The spelling of 54945949 in words is "fifty-four million, nine hundred forty-five thousand, nine hundred forty-nine".