56811326 has 16 divisors (see below), whose sum is σ = 100115568. Its totient is φ = 23836800.

The previous prime is 56811269. The next prime is 56811341. The reversal of 56811326 is 62311865.

It is a happy number.

It is a super-3 number, since 3×56811326³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56811292 and 56811301.

It is a congruent number.

It is an unprimeable number.

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, 99035 + ... + 99606.

It is an arithmetic number, because the mean of its divisors is an integer number (6257223).

Almost surely, 2^56811326 is an apocalyptic number.

56811326 is a deficient number, since it is larger than the sum of its proper divisors (43304242).

56811326 is a wasteful number, since it uses less digits than its factorization.

56811326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198667.

The product of its digits is 8640, while the sum is 32.

The square root of 56811326 is about 7537.3288371942. The cubic root of 56811326 is about 384.4250167887.

It can be divided in two parts, 5681 and 1326, that added together give a palindrome (7007).

The spelling of 56811326 in words is "fifty-six million, eight hundred eleven thousand, three hundred twenty-six".