55655477 has 2 divisors, whose sum is σ = 55655478. Its totient is φ = 55655476.

The previous prime is 55655471. The next prime is 55655497. The reversal of 55655477 is 77455655.

55655477 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 can be written as a sum of positive squares in only one way, i.e., 47210641 + 8444836 = 6871^2 + 2906^2 .

It is a cyclic number.

It is not a de Polignac number, because 55655477 - 2⁸ = 55655221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55655471) 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, 27827738 + 27827739.

It is an arithmetic number, because the mean of its divisors is an integer number (27827739).

Almost surely, 2^55655477 is an apocalyptic number.

It is an amenable number.

55655477 is a deficient number, since it is larger than the sum of its proper divisors (1).

55655477 is an equidigital number, since it uses as much as digits as its factorization.

55655477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 735000, while the sum is 44.

The square root of 55655477 is about 7460.2598480214. The cubic root of 55655477 is about 381.8000401725.

The spelling of 55655477 in words is "fifty-five million, six hundred fifty-five thousand, four hundred seventy-seven".