56656741 has 4 divisors (see below), whose sum is σ = 57502432. Its totient is φ = 55811052.

The previous prime is 56656729. The next prime is 56656753. The reversal of 56656741 is 14765665.

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 an interprime number because it is at equal distance from previous prime (56656729) and next prime (56656753).

It is a cyclic number.

It is not a de Polignac number, because 56656741 - 2⁵ = 56656709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56656694 and 56656703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56656771) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 422745 + ... + 422878.

It is an arithmetic number, because the mean of its divisors is an integer number (14375608).

Almost surely, 2^56656741 is an apocalyptic number.

It is an amenable number.

56656741 is a deficient number, since it is larger than the sum of its proper divisors (845691).

56656741 is an equidigital number, since it uses as much as digits as its factorization.

56656741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845690.

The product of its digits is 151200, while the sum is 40.

The square root of 56656741 is about 7527.0672243577. The cubic root of 56656741 is about 384.0760234499.

The spelling of 56656741 in words is "fifty-six million, six hundred fifty-six thousand, seven hundred forty-one".