56661241 has 16 divisors (see below), whose sum is σ = 70067200. Its totient is φ = 44618688.

The previous prime is 56661239. The next prime is 56661247. The reversal of 56661241 is 14216665.

56661241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 56661241 - 2¹ = 56661239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56661247) 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, 19480 + ... + 22198.

It is an arithmetic number, because the mean of its divisors is an integer number (4379200).

Almost surely, 2^56661241 is an apocalyptic number.

It is an amenable number.

56661241 is a deficient number, since it is larger than the sum of its proper divisors (13405959).

56661241 is a wasteful number, since it uses less digits than its factorization.

56661241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2968.

The product of its digits is 8640, while the sum is 31.

The square root of 56661241 is about 7527.3661396268. The cubic root of 56661241 is about 384.0861916801.

The spelling of 56661241 in words is "fifty-six million, six hundred sixty-one thousand, two hundred forty-one".