56757205 has 16 divisors (see below), whose sum is σ = 72103680. Its totient is φ = 42815808.

The previous prime is 56757193. The next prime is 56757209. The reversal of 56757205 is 50275765.

56757205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 56757205 - 2¹³ = 56749013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56757209) 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 15 ways as a sum of consecutive naturals, for example, 1684 + ... + 10786.

It is an arithmetic number, because the mean of its divisors is an integer number (4506480).

Almost surely, 2^56757205 is an apocalyptic number.

It is an amenable number.

56757205 is a deficient number, since it is larger than the sum of its proper divisors (15346475).

56757205 is a wasteful number, since it uses less digits than its factorization.

56757205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9180.

The product of its (nonzero) digits is 73500, while the sum is 37.

The square root of 56757205 is about 7533.7377841281. The cubic root of 56757205 is about 384.3029045385.

It can be divided in two parts, 5675 and 7205, that added together give a triangular number (12880 = T₁₆₀).

The spelling of 56757205 in words is "fifty-six million, seven hundred fifty-seven thousand, two hundred five".