56523605 has 8 divisors (see below), whose sum is σ = 69661752. Its totient is φ = 43996608.

The previous prime is 56523583. The next prime is 56523641. The reversal of 56523605 is 50632565.

It can be written as a sum of positive squares in 4 ways, for example, as 3189796 + 53333809 = 1786^2 + 7303^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56523605 - 2⁶ = 56523541 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152582 + ... + 152951.

It is an arithmetic number, because the mean of its divisors is an integer number (8707719).

Almost surely, 2^56523605 is an apocalyptic number.

It is an amenable number.

56523605 is a deficient number, since it is larger than the sum of its proper divisors (13138147).

56523605 is a wasteful number, since it uses less digits than its factorization.

56523605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305575.

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 56523605 is about 7518.2182064636. The cubic root of 56523605 is about 383.7749445318.

The spelling of 56523605 in words is "fifty-six million, five hundred twenty-three thousand, six hundred five".