56672303 has 4 divisors (see below), whose sum is σ = 57105048. Its totient is φ = 56239560.

The previous prime is 56672281. The next prime is 56672359. The reversal of 56672303 is 30327665.

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 56672303 - 2⁸ = 56672047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56672303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56672393) 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 3 ways as a sum of consecutive naturals, for example, 216176 + ... + 216437.

It is an arithmetic number, because the mean of its divisors is an integer number (14276262).

Almost surely, 2^56672303 is an apocalyptic number.

56672303 is a deficient number, since it is larger than the sum of its proper divisors (432745).

56672303 is a wasteful number, since it uses less digits than its factorization.

56672303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432744.

The product of its (nonzero) digits is 22680, while the sum is 32.

The square root of 56672303 is about 7528.1008893346. The cubic root of 56672303 is about 384.1111851613. Note that the first 4 decimals are identical.

Adding to 56672303 its reverse (30327665), we get a palindrome (86999968).

The spelling of 56672303 in words is "fifty-six million, six hundred seventy-two thousand, three hundred three".