56045969 has 16 divisors (see below), whose sum is σ = 65939328. Its totient is φ = 46645632.

The previous prime is 56045959. The next prime is 56045971. The reversal of 56045969 is 96954065.

56045969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56045969 is a prime.

It is a super-2 number, since 2×56045969² = 6282301282297922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56045959) 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 15 ways as a sum of consecutive naturals, for example, 33419 + ... + 35055.

It is an arithmetic number, because the mean of its divisors is an integer number (4121208).

Almost surely, 2^56045969 is an apocalyptic number.

It is an amenable number.

56045969 is a deficient number, since it is larger than the sum of its proper divisors (9893359).

56045969 is a wasteful number, since it uses less digits than its factorization.

56045969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1784.

The product of its (nonzero) digits is 291600, while the sum is 44.

The square root of 56045969 is about 7486.3855764982. The cubic root of 56045969 is about 382.6908930820.

The spelling of 56045969 in words is "fifty-six million, forty-five thousand, nine hundred sixty-nine".