56672233 has 8 divisors (see below), whose sum is σ = 57867080. Its totient is φ = 55486080.

The previous prime is 56672227. The next prime is 56672251. The reversal of 56672233 is 33227665.

It can be written as a sum of positive squares in 4 ways, for example, as 6927424 + 49744809 = 2632^2 + 7053^2 .

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 56672233 - 2⁵ = 56672201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56672533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11941 + ... + 15997.

It is an arithmetic number, because the mean of its divisors is an integer number (7233385).

Almost surely, 2^56672233 is an apocalyptic number.

It is an amenable number.

56672233 is a deficient number, since it is larger than the sum of its proper divisors (1194847).

56672233 is a wasteful number, since it uses less digits than its factorization.

56672233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4347.

The product of its digits is 45360, while the sum is 34.

The square root of 56672233 is about 7528.0962400862. The cubic root of 56672233 is about 384.1110270135. Note that the first 3 decimals are identical.

Adding to 56672233 its reverse (33227665), we get a palindrome (89899898).

The spelling of 56672233 in words is "fifty-six million, six hundred seventy-two thousand, two hundred thirty-three".