55514513 has 2 divisors, whose sum is σ = 55514514. Its totient is φ = 55514512.

The previous prime is 55514507. The next prime is 55514531. The reversal of 55514513 is 31541555.

55514513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (55514531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36084049 + 19430464 = 6007^2 + 4408^2 .

It is a cyclic number.

It is not a de Polignac number, because 55514513 - 2⁶ = 55514449 is a prime.

It is a super-2 number, since 2×55514513² = 6163722307254338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55514573) 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, 27757256 + 27757257.

It is an arithmetic number, because the mean of its divisors is an integer number (27757257).

Almost surely, 2^55514513 is an apocalyptic number.

It is an amenable number.

55514513 is a deficient number, since it is larger than the sum of its proper divisors (1).

55514513 is an equidigital number, since it uses as much as digits as its factorization.

55514513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7500, while the sum is 29.

The square root of 55514513 is about 7450.8061979896. The cubic root of 55514513 is about 381.4774270400.

The spelling of 55514513 in words is "fifty-five million, five hundred fourteen thousand, five hundred thirteen".