55477459 has 2 divisors, whose sum is σ = 55477460. Its totient is φ = 55477458.

The previous prime is 55477453. The next prime is 55477481. The reversal of 55477459 is 95477455.

55477459 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55477459 - 2¹⁵ = 55444691 is a prime.

It is not a weakly prime, because it can be changed into another prime (55477453) 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, 27738729 + 27738730.

It is an arithmetic number, because the mean of its divisors is an integer number (27738730).

Almost surely, 2^55477459 is an apocalyptic number.

55477459 is a deficient number, since it is larger than the sum of its proper divisors (1).

55477459 is an equidigital number, since it uses as much as digits as its factorization.

55477459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 882000, while the sum is 46.

The square root of 55477459 is about 7448.3192063713. The cubic root of 55477459 is about 381.3925338597.

The spelling of 55477459 in words is "fifty-five million, four hundred seventy-seven thousand, four hundred fifty-nine".