56440833 has 12 divisors (see below), whose sum is σ = 79942800. Its totient is φ = 35413312.

The previous prime is 56440829. The next prime is 56440837. The reversal of 56440833 is 33804465.

It is an interprime number because it is at equal distance from previous prime (56440829) and next prime (56440837).

It is not a de Polignac number, because 56440833 - 2² = 56440829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56440794 and 56440803.

It is not an unprimeable number, because it can be changed into a prime (56440837) 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 11 ways as a sum of consecutive naturals, for example, 31683 + ... + 33416.

It is an arithmetic number, because the mean of its divisors is an integer number (6661900).

Almost surely, 2^56440833 is an apocalyptic number.

It is an amenable number.

56440833 is a deficient number, since it is larger than the sum of its proper divisors (23501967).

56440833 is a wasteful number, since it uses less digits than its factorization.

56440833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65136 (or 65119 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 56440833 is about 7512.7114279733. The cubic root of 56440833 is about 383.5875223149.

The spelling of 56440833 in words is "fifty-six million, four hundred forty thousand, eight hundred thirty-three".