56441233 has 4 divisors (see below), whose sum is σ = 56815168. Its totient is φ = 56067300.

The previous prime is 56441227. The next prime is 56441239. The reversal of 56441233 is 33214465.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33214465 = 5 ⋅6642893.

It is an interprime number because it is at equal distance from previous prime (56441227) and next prime (56441239).

It is a cyclic number.

It is not a de Polignac number, because 56441233 - 2⁵ = 56441201 is a prime.

It is a super-2 number, since 2×56441233² = 6371225565120578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56441239) 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, 186741 + ... + 187042.

It is an arithmetic number, because the mean of its divisors is an integer number (14203792).

Almost surely, 2^56441233 is an apocalyptic number.

It is an amenable number.

56441233 is a deficient number, since it is larger than the sum of its proper divisors (373935).

56441233 is a wasteful number, since it uses less digits than its factorization.

56441233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373934.

The product of its digits is 8640, while the sum is 28.

The square root of 56441233 is about 7512.7380494730. The cubic root of 56441233 is about 383.5884284830.

Adding to 56441233 its reverse (33214465), we get a palindrome (89655698).

The spelling of 56441233 in words is "fifty-six million, four hundred forty-one thousand, two hundred thirty-three".