56035661 has 4 divisors (see below), whose sum is σ = 61129824. Its totient is φ = 50941500.

The previous prime is 56035619. The next prime is 56035667. The reversal of 56035661 is 16653065.

56035661 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56035661 - 2⁶ = 56035597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56035667) 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 3 ways as a sum of consecutive naturals, for example, 2547065 + ... + 2547086.

It is an arithmetic number, because the mean of its divisors is an integer number (15282456).

Almost surely, 2^56035661 is an apocalyptic number.

It is an amenable number.

56035661 is a deficient number, since it is larger than the sum of its proper divisors (5094163).

56035661 is a wasteful number, since it uses less digits than its factorization.

56035661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5094162.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 56035661 is about 7485.6970951275. The cubic root of 56035661 is about 382.6674300827.

The spelling of 56035661 in words is "fifty-six million, thirty-five thousand, six hundred sixty-one".