56850661 has 8 divisors (see below), whose sum is σ = 65484800. Its totient is φ = 48344688.

The previous prime is 56850631. The next prime is 56850707. The reversal of 56850661 is 16605865.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-56850661 is a prime.

It is a super-2 number, since 2×56850661² = 6463995312273842, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56850661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56850631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31086 + ... + 32863.

It is an arithmetic number, because the mean of its divisors is an integer number (8185600).

Almost surely, 2^56850661 is an apocalyptic number.

It is an amenable number.

56850661 is a deficient number, since it is larger than the sum of its proper divisors (8634139).

56850661 is a wasteful number, since it uses less digits than its factorization.

56850661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64083.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 56850661 is about 7539.9377318384. The cubic root of 56850661 is about 384.5137189926.

The spelling of 56850661 in words is "fifty-six million, eight hundred fifty thousand, six hundred sixty-one".