56241866 has 4 divisors (see below), whose sum is σ = 84362802. Its totient is φ = 28120932.

The previous prime is 56241863. The next prime is 56241883. The reversal of 56241866 is 66814265.

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., 52983841 + 3258025 = 7279^2 + 1805^2 .

It is not an unprimeable number, because it can be changed into a prime (56241863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14060465 + ... + 14060468.

Almost surely, 2^56241866 is an apocalyptic number.

56241866 is a deficient number, since it is larger than the sum of its proper divisors (28120936).

56241866 is a wasteful number, since it uses less digits than its factorization.

56241866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28120935.

The product of its digits is 69120, while the sum is 38.

The square root of 56241866 is about 7499.4577137284. The cubic root of 56241866 is about 383.1362466815.

The spelling of 56241866 in words is "fifty-six million, two hundred forty-one thousand, eight hundred sixty-six".