54216849 has 8 divisors (see below), whose sum is σ = 72436000. Its totient is φ = 36071136.

The previous prime is 54216829. The next prime is 54216853. The reversal of 54216849 is 94861245.

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

It is not a de Polignac number, because 54216849 - 2²⁰ = 53168273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54216809) 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, 16612 + ... + 19605.

It is an arithmetic number, because the mean of its divisors is an integer number (9054500).

Almost surely, 2^54216849 is an apocalyptic number.

It is an amenable number.

54216849 is a deficient number, since it is larger than the sum of its proper divisors (18219151).

54216849 is a wasteful number, since it uses less digits than its factorization.

54216849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36719.

The product of its digits is 69120, while the sum is 39.

The square root of 54216849 is about 7363.2091509070. The cubic root of 54216849 is about 378.4815885206.

It can be divided in two parts, 542 and 16849, that added together give a triangular number (17391 = T₁₈₆).

The spelling of 54216849 in words is "fifty-four million, two hundred sixteen thousand, eight hundred forty-nine".