56683669 has 8 divisors (see below), whose sum is σ = 68191040. Its totient is φ = 46028736.

The previous prime is 56683657. The next prime is 56683699. The reversal of 56683669 is 96638665.

56683669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 56683669 - 2⁵ = 56683637 is a prime.

It is a super-2 number, since 2×56683669² = 6426076662603122, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56683639) 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 7 ways as a sum of consecutive naturals, for example, 212964 + ... + 213229.

It is an arithmetic number, because the mean of its divisors is an integer number (8523880).

Almost surely, 2^56683669 is an apocalyptic number.

It is an amenable number.

56683669 is a deficient number, since it is larger than the sum of its proper divisors (11507371).

56683669 is a wasteful number, since it uses less digits than its factorization.

56683669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426219.

The product of its digits is 1399680, while the sum is 49.

The square root of 56683669 is about 7528.8557563550. The cubic root of 56683669 is about 384.1368621127.

The spelling of 56683669 in words is "fifty-six million, six hundred eighty-three thousand, six hundred sixty-nine".