56241665 has 8 divisors (see below), whose sum is σ = 69314280. Its totient is φ = 43777152.

The previous prime is 56241659. The next prime is 56241671. The reversal of 56241665 is 56614265.

It is an interprime number because it is at equal distance from previous prime (56241659) and next prime (56241671).

It can be written as a sum of positive squares in 4 ways, for example, as 8479744 + 47761921 = 2912^2 + 6911^2 .

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 56241665 - 2²⁴ = 39464449 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151820 + ... + 152189.

It is an arithmetic number, because the mean of its divisors is an integer number (8664285).

Almost surely, 2^56241665 is an apocalyptic number.

It is an amenable number.

56241665 is a deficient number, since it is larger than the sum of its proper divisors (13072615).

56241665 is a wasteful number, since it uses less digits than its factorization.

56241665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304051.

The product of its digits is 43200, while the sum is 35.

The square root of 56241665 is about 7499.4443127474. Note that the first 3 decimals coincide. The cubic root of 56241665 is about 383.1357902571.

The spelling of 56241665 in words is "fifty-six million, two hundred forty-one thousand, six hundred sixty-five".