55346513 has 2 divisors, whose sum is σ = 55346514. Its totient is φ = 55346512.

The previous prime is 55346503. The next prime is 55346537. The reversal of 55346513 is 31564355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35916049 + 19430464 = 5993^2 + 4408^2 .

It is a cyclic number.

It is not a de Polignac number, because 55346513 - 2²⁰ = 54297937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55346513.

It is not a weakly prime, because it can be changed into another prime (55346503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27673256 + 27673257.

It is an arithmetic number, because the mean of its divisors is an integer number (27673257).

Almost surely, 2^55346513 is an apocalyptic number.

It is an amenable number.

55346513 is a deficient number, since it is larger than the sum of its proper divisors (1).

55346513 is an equidigital number, since it uses as much as digits as its factorization.

55346513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27000, while the sum is 32.

The square root of 55346513 is about 7439.5237078727. The cubic root of 55346513 is about 381.0922246736.

The spelling of 55346513 in words is "fifty-five million, three hundred forty-six thousand, five hundred thirteen".