56756655 has 12 divisors (see below), whose sum is σ = 98378280. Its totient is φ = 30270192.

The previous prime is 56756653. The next prime is 56756671. The reversal of 56756655 is 55665765.

56756655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56756655 - 2¹ = 56756653 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1261259 = 56756655 / (5 + 6 + 7 + 5 + 6 + 6 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 56756655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56756653) 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 in 11 ways as a sum of consecutive naturals, for example, 630585 + ... + 630674.

It is an arithmetic number, because the mean of its divisors is an integer number (8198190).

Almost surely, 2^56756655 is an apocalyptic number.

56756655 is a deficient number, since it is larger than the sum of its proper divisors (41621625).

56756655 is a wasteful number, since it uses less digits than its factorization.

56756655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261270 (or 1261267 counting only the distinct ones).

The product of its digits is 945000, while the sum is 45.

The square root of 56756655 is about 7533.7012815747. The cubic root of 56756655 is about 384.3016631849.

The spelling of 56756655 in words is "fifty-six million, seven hundred fifty-six thousand, six hundred fifty-five".