54723213 has 6 divisors (see below), whose sum is σ = 79044654. Its totient is φ = 36482136.

The previous prime is 54723191. The next prime is 54723217. The reversal of 54723213 is 31232745.

It can be written as a sum of positive squares in only one way, i.e., 33212169 + 21511044 = 5763^2 + 4638^2 .

It is not a de Polignac number, because 54723213 - 2¹⁰ = 54722189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54723217) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3040170 + ... + 3040187.

It is an arithmetic number, because the mean of its divisors is an integer number (13174109).

Almost surely, 2^54723213 is an apocalyptic number.

It is an amenable number.

54723213 is a deficient number, since it is larger than the sum of its proper divisors (24321441).

54723213 is a wasteful number, since it uses less digits than its factorization.

54723213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6080363 (or 6080360 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 54723213 is about 7397.5139743024. The cubic root of 54723213 is about 379.6562288019.

Adding to 54723213 its reverse (31232745), we get a palindrome (85955958).

The spelling of 54723213 in words is "fifty-four million, seven hundred twenty-three thousand, two hundred thirteen".