54572213 has 2 divisors, whose sum is σ = 54572214. Its totient is φ = 54572212.

The previous prime is 54572209. The next prime is 54572249. The reversal of 54572213 is 31227545.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48135844 + 6436369 = 6938^2 + 2537^2 .

It is a cyclic number.

It is not a de Polignac number, because 54572213 - 2² = 54572209 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54572263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27286106 + 27286107.

It is an arithmetic number, because the mean of its divisors is an integer number (27286107).

Almost surely, 2^54572213 is an apocalyptic number.

It is an amenable number.

54572213 is a deficient number, since it is larger than the sum of its proper divisors (1).

54572213 is an equidigital number, since it uses as much as digits as its factorization.

54572213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8400, while the sum is 29.

The square root of 54572213 is about 7387.3007925764. The cubic root of 54572213 is about 379.3067068006.

Adding to 54572213 its reverse (31227545), we get a palindrome (85799758).

The spelling of 54572213 in words is "fifty-four million, five hundred seventy-two thousand, two hundred thirteen".