56697338 has 4 divisors (see below), whose sum is σ = 85046010. Its totient is φ = 28348668.

The previous prime is 56697337. The next prime is 56697353. The reversal of 56697338 is 83379665.

56697338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 38353249 + 18344089 = 6193^2 + 4283^2 .

It is a junction number, because it is equal to n+sod(n) for n = 56697292 and 56697301.

It is not an unprimeable number, because it can be changed into a prime (56697337) 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 as a sum of consecutive naturals, namely, 14174333 + ... + 14174336.

Almost surely, 2^56697338 is an apocalyptic number.

56697338 is a deficient number, since it is larger than the sum of its proper divisors (28348672).

56697338 is a wasteful number, since it uses less digits than its factorization.

56697338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28348671.

The product of its digits is 816480, while the sum is 47.

The square root of 56697338 is about 7529.7634757009. The cubic root of 56697338 is about 384.1677372298.

The spelling of 56697338 in words is "fifty-six million, six hundred ninety-seven thousand, three hundred thirty-eight".