54216349 has 12 divisors (see below), whose sum is σ = 63101052. Its totient is φ = 46386560.

The previous prime is 54216289. The next prime is 54216361. The reversal of 54216349 is 94361245.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 31843449 + 22372900 = 5643^2 + 4730^2 .

It is not a de Polignac number, because 54216349 - 2¹⁵ = 54183581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54216649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11122 + ... + 15235.

It is an arithmetic number, because the mean of its divisors is an integer number (5258421).

Almost surely, 2^54216349 is an apocalyptic number.

It is an amenable number.

54216349 is a deficient number, since it is larger than the sum of its proper divisors (8884703).

54216349 is a wasteful number, since it uses less digits than its factorization.

54216349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26396 (or 26385 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 54216349 is about 7363.1751982416. The cubic root of 54216349 is about 378.4804250362.

Subtracting 54216349 from its reverse (94361245), we obtain a square (40144896 = 6336²).

The spelling of 54216349 in words is "fifty-four million, two hundred sixteen thousand, three hundred forty-nine".