55000000513 has 2 divisors, whose sum is σ = 55000000514. Its totient is φ = 55000000512.

The previous prime is 55000000501. The next prime is 55000000571. The reversal of 55000000513 is 31500000055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33868145089 + 21131855424 = 184033^2 + 145368^2 .

It is a cyclic number.

It is not a de Polignac number, because 55000000513 - 2⁹ = 55000000001 is a prime.

It is not a weakly prime, because it can be changed into another prime (55000000213) 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, 27500000256 + 27500000257.

It is an arithmetic number, because the mean of its divisors is an integer number (27500000257).

Almost surely, 2^55000000513 is an apocalyptic number.

It is an amenable number.

55000000513 is a deficient number, since it is larger than the sum of its proper divisors (1).

55000000513 is an equidigital number, since it uses as much as digits as its factorization.

55000000513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 375, while the sum is 19.

Adding to 55000000513 its reverse (31500000055), we get a palindrome (86500000568).

The spelling of 55000000513 in words is "fifty-five billion, five hundred thirteen", and thus it is an aban number.