56073969 has 12 divisors (see below), whose sum is σ = 92566656. Its totient is φ = 32042232.

The previous prime is 56073943. The next prime is 56073991. The reversal of 56073969 is 96937065.

56073969 is a `hidden beast` number, since 5 + 607 + 39 + 6 + 9 = 666.

It is not a de Polignac number, because 56073969 - 2¹¹ = 56071921 is a prime.

It is a super-2 number, since 2×56073969² = 6288579998825922, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56075969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 444969 + ... + 445094.

It is an arithmetic number, because the mean of its divisors is an integer number (7713888).

Almost surely, 2^56073969 is an apocalyptic number.

It is an amenable number.

56073969 is a deficient number, since it is larger than the sum of its proper divisors (36492687).

56073969 is a wasteful number, since it uses less digits than its factorization.

56073969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890076 (or 890073 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 45.

The square root of 56073969 is about 7488.2554042981. The cubic root of 56073969 is about 382.7546119737.

It can be divided in two parts, 560 and 73969, that added together give a square (74529 = 273²).

The spelling of 56073969 in words is "fifty-six million, seventy-three thousand, nine hundred sixty-nine".