56280961 has 8 divisors (see below), whose sum is σ = 61840800. Its totient is φ = 50795040.

The previous prime is 56280947. The next prime is 56280989. The reversal of 56280961 is 16908265.

56280961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 56280961 - 2⁵ = 56280929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56280961.

It is not an unprimeable number, because it can be changed into a prime (56280901) 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 7 ways as a sum of consecutive naturals, for example, 16876 + ... + 19933.

It is an arithmetic number, because the mean of its divisors is an integer number (7730100).

Almost surely, 2^56280961 is an apocalyptic number.

It is an amenable number.

56280961 is a deficient number, since it is larger than the sum of its proper divisors (5559839).

56280961 is a wasteful number, since it uses less digits than its factorization.

56280961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36959.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 56280961 is about 7502.0637827201. The cubic root of 56280961 is about 383.2250016920.

The spelling of 56280961 in words is "fifty-six million, two hundred eighty thousand, nine hundred sixty-one".