56256641 has 8 divisors (see below), whose sum is σ = 64895040. Its totient is φ = 47768688.

The previous prime is 56256631. The next prime is 56256671. The reversal of 56256641 is 14665265.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56256641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56256631) 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 7 ways as a sum of consecutive naturals, for example, 36806 + ... + 38303.

It is an arithmetic number, because the mean of its divisors is an integer number (8111880).

Almost surely, 2^56256641 is an apocalyptic number.

It is an amenable number.

56256641 is a deficient number, since it is larger than the sum of its proper divisors (8638399).

56256641 is a wasteful number, since it uses less digits than its factorization.

56256641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75223.

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

The square root of 56256641 is about 7500.4427202666. The cubic root of 56256641 is about 383.1697943025.

The spelling of 56256641 in words is "fifty-six million, two hundred fifty-six thousand, six hundred forty-one".