55657135 has 4 divisors (see below), whose sum is σ = 66788568. Its totient is φ = 44525704.

The previous prime is 55657127. The next prime is 55657141. The reversal of 55657135 is 53175655.

55657135 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55657135 - 2³ = 55657127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55657094 and 55657103.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 5565709 + ... + 5565718.

It is an arithmetic number, because the mean of its divisors is an integer number (16697142).

Almost surely, 2^55657135 is an apocalyptic number.

55657135 is a deficient number, since it is larger than the sum of its proper divisors (11131433).

55657135 is a wasteful number, since it uses less digits than its factorization.

55657135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11131432.

The product of its digits is 78750, while the sum is 37.

The square root of 55657135 is about 7460.3709693285. The cubic root of 55657135 is about 381.8038314627.

The spelling of 55657135 in words is "fifty-five million, six hundred fifty-seven thousand, one hundred thirty-five".