56665334 has 32 divisors (see below), whose sum is σ = 100776960. Its totient is φ = 23608800.

The previous prime is 56665331. The next prime is 56665339. The reversal of 56665334 is 43356665.

It is a happy number.

56665334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56665331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10772 + ... + 15144.

It is an arithmetic number, because the mean of its divisors is an integer number (3149280).

Almost surely, 2^56665334 is an apocalyptic number.

56665334 is a deficient number, since it is larger than the sum of its proper divisors (44111626).

56665334 is a wasteful number, since it uses less digits than its factorization.

56665334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4436.

The product of its digits is 194400, while the sum is 38.

The square root of 56665334 is about 7527.6380093626. The cubic root of 56665334 is about 384.0954397828.

The spelling of 56665334 in words is "fifty-six million, six hundred sixty-five thousand, three hundred thirty-four".