56705055 has 16 divisors (see below), whose sum is σ = 98976384. Its totient is φ = 27493280.

The previous prime is 56705041. The next prime is 56705059. The reversal of 56705055 is 55050765.

It is not a de Polignac number, because 56705055 - 2⁴ = 56705039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56705059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171669 + ... + 171998.

It is an arithmetic number, because the mean of its divisors is an integer number (6186024).

Almost surely, 2^56705055 is an apocalyptic number.

56705055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

56705055 is a deficient number, since it is larger than the sum of its proper divisors (42271329).

56705055 is a wasteful number, since it uses less digits than its factorization.

56705055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343686.

The product of its (nonzero) digits is 26250, while the sum is 33.

The square root of 56705055 is about 7530.2758913602. The cubic root of 56705055 is about 384.1851659606.

The spelling of 56705055 in words is "fifty-six million, seven hundred five thousand, fifty-five".