55747313 has 2 divisors, whose sum is σ = 55747314. Its totient is φ = 55747312.

The previous prime is 55747297. The next prime is 55747327. The reversal of 55747313 is 31374755.

55747313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33779344 + 21967969 = 5812^2 + 4687^2 .

It is a cyclic number.

It is not a de Polignac number, because 55747313 - 2⁴ = 55747297 is a prime.

It is not a weakly prime, because it can be changed into another prime (55747343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27873656 + 27873657.

It is an arithmetic number, because the mean of its divisors is an integer number (27873657).

Almost surely, 2^55747313 is an apocalyptic number.

It is an amenable number.

55747313 is a deficient number, since it is larger than the sum of its proper divisors (1).

55747313 is an equidigital number, since it uses as much as digits as its factorization.

55747313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 44100, while the sum is 35.

The square root of 55747313 is about 7466.4123245371. The cubic root of 55747313 is about 382.0099250000.

The spelling of 55747313 in words is "fifty-five million, seven hundred forty-seven thousand, three hundred thirteen".