54968813 has 2 divisors, whose sum is σ = 54968814. Its totient is φ = 54968812.

The previous prime is 54968777. The next prime is 54968819. The reversal of 54968813 is 31886945.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27741289 + 27227524 = 5267^2 + 5218^2 .

It is a cyclic number.

It is not a de Polignac number, because 54968813 - 2¹² = 54964717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54968819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27484406 + 27484407.

It is an arithmetic number, because the mean of its divisors is an integer number (27484407).

Almost surely, 2^54968813 is an apocalyptic number.

It is an amenable number.

54968813 is a deficient number, since it is larger than the sum of its proper divisors (1).

54968813 is an equidigital number, since it uses as much as digits as its factorization.

54968813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 44.

The square root of 54968813 is about 7414.0955618336. The cubic root of 54968813 is about 380.2233520744.

The spelling of 54968813 in words is "fifty-four million, nine hundred sixty-eight thousand, eight hundred thirteen".