55464613 has 2 divisors, whose sum is σ = 55464614. Its totient is φ = 55464612.

The previous prime is 55464601. The next prime is 55464631. The reversal of 55464613 is 31646455.

55464613 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 (55464631) 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., 54420129 + 1044484 = 7377^2 + 1022^2 .

It is a cyclic number.

It is not a de Polignac number, because 55464613 - 2¹⁷ = 55333541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55464713) 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, 27732306 + 27732307.

It is an arithmetic number, because the mean of its divisors is an integer number (27732307).

Almost surely, 2^55464613 is an apocalyptic number.

It is an amenable number.

55464613 is a deficient number, since it is larger than the sum of its proper divisors (1).

55464613 is an equidigital number, since it uses as much as digits as its factorization.

55464613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 34.

The square root of 55464613 is about 7447.4568142420. The cubic root of 55464613 is about 381.3630939948.

The spelling of 55464613 in words is "fifty-five million, four hundred sixty-four thousand, six hundred thirteen".