56278333 has 8 divisors (see below), whose sum is σ = 57008952. Its totient is φ = 55550976.

The previous prime is 56278303. The next prime is 56278379. The reversal of 56278333 is 33387265.

It can be written as a sum of positive squares in 4 ways, for example, as 38663524 + 17614809 = 6218^2 + 4197^2 .

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 56278333 - 2⁵ = 56278301 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56278292 and 56278301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56278303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65241 + ... + 66097.

It is an arithmetic number, because the mean of its divisors is an integer number (7126119).

Almost surely, 2^56278333 is an apocalyptic number.

It is an amenable number.

56278333 is a deficient number, since it is larger than the sum of its proper divisors (730619).

56278333 is an equidigital number, since it uses as much as digits as its factorization.

56278333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631.

The product of its digits is 90720, while the sum is 37.

The square root of 56278333 is about 7501.8886288721. Note that the first 3 decimals coincide. The cubic root of 56278333 is about 383.2190367916.

The spelling of 56278333 in words is "fifty-six million, two hundred seventy-eight thousand, three hundred thirty-three".