56688323 has 4 divisors (see below), whose sum is σ = 57757968. Its totient is φ = 55618680.

The previous prime is 56688311. The next prime is 56688341. The reversal of 56688323 is 32388665.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56688323 - 2¹² = 56684227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56688383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 534743 + ... + 534848.

It is an arithmetic number, because the mean of its divisors is an integer number (14439492).

Almost surely, 2^56688323 is an apocalyptic number.

56688323 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

56688323 is a deficient number, since it is larger than the sum of its proper divisors (1069645).

56688323 is a wasteful number, since it uses less digits than its factorization.

56688323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069644.

The product of its digits is 207360, while the sum is 41.

The square root of 56688323 is about 7529.1648275224. The cubic root of 56688323 is about 384.1473749821.

The spelling of 56688323 in words is "fifty-six million, six hundred eighty-eight thousand, three hundred twenty-three".