54303213 has 8 divisors (see below), whose sum is σ = 72715968. Its totient is φ = 36046304.

The previous prime is 54303209. The next prime is 54303239. The reversal of 54303213 is 31230345.

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

It is a cyclic number.

It is not a de Polignac number, because 54303213 - 2² = 54303209 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 54303213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54303113) 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, 38145 + ... + 39542.

It is an arithmetic number, because the mean of its divisors is an integer number (9089496).

Almost surely, 2^54303213 is an apocalyptic number.

It is an amenable number.

54303213 is a deficient number, since it is larger than the sum of its proper divisors (18412755).

54303213 is a wasteful number, since it uses less digits than its factorization.

54303213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77923.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 54303213 is about 7369.0713797601. The cubic root of 54303213 is about 378.6824476240.

Adding to 54303213 its reverse (31230345), we get a palindrome (85533558).

The spelling of 54303213 in words is "fifty-four million, three hundred three thousand, two hundred thirteen".