54645313 has 2 divisors, whose sum is σ = 54645314. Its totient is φ = 54645312.

The previous prime is 54645301. The next prime is 54645317. The reversal of 54645313 is 31354645.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33558849 + 21086464 = 5793^2 + 4592^2 .

It is a cyclic number.

It is not a de Polignac number, because 54645313 - 2⁹ = 54644801 is a prime.

It is a super-2 number, since 2×54645313² = 5972220465735938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (54645317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27322656 + 27322657.

It is an arithmetic number, because the mean of its divisors is an integer number (27322657).

Almost surely, 2^54645313 is an apocalyptic number.

It is an amenable number.

54645313 is a deficient number, since it is larger than the sum of its proper divisors (1).

54645313 is an equidigital number, since it uses as much as digits as its factorization.

54645313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 31.

The square root of 54645313 is about 7392.2468167669. The cubic root of 54645313 is about 379.4759928872.

Adding to 54645313 its reverse (31354645), we get a palindrome (85999958).

The spelling of 54645313 in words is "fifty-four million, six hundred forty-five thousand, three hundred thirteen".