56785755 has 16 divisors (see below), whose sum is σ = 97846560. Its totient is φ = 27955968.

The previous prime is 56785747. The next prime is 56785759. The reversal of 56785755 is 55758765.

It is not a de Polignac number, because 56785755 - 2³ = 56785747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56785759) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145410 + ... + 145799.

It is an arithmetic number, because the mean of its divisors is an integer number (6115410).

Almost surely, 2^56785755 is an apocalyptic number.

56785755 is a deficient number, since it is larger than the sum of its proper divisors (41060805).

56785755 is a wasteful number, since it uses less digits than its factorization.

56785755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291230.

The product of its digits is 1470000, while the sum is 48.

The square root of 56785755 is about 7535.6323556819. The cubic root of 56785755 is about 384.3673310652.

The spelling of 56785755 in words is "fifty-six million, seven hundred eighty-five thousand, seven hundred fifty-five".