56523646 has 8 divisors (see below), whose sum is σ = 85659840. Its totient is φ = 27970368.

The previous prime is 56523641. The next prime is 56523647. The reversal of 56523646 is 64632565.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56523641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145486 + ... + 145873.

It is an arithmetic number, because the mean of its divisors is an integer number (10707480).

Almost surely, 2^56523646 is an apocalyptic number.

56523646 is a deficient number, since it is larger than the sum of its proper divisors (29136194).

56523646 is a wasteful number, since it uses less digits than its factorization.

56523646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291458.

The product of its digits is 129600, while the sum is 37.

The square root of 56523646 is about 7518.2209331730. The cubic root of 56523646 is about 383.7750373235.

The spelling of 56523646 in words is "fifty-six million, five hundred twenty-three thousand, six hundred forty-six".