56140769 has 8 divisors (see below), whose sum is σ = 58810752. Its totient is φ = 53489920.

The previous prime is 56140759. The next prime is 56140789. The reversal of 56140769 is 96704165.

56140769 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 56140769 - 2⁴ = 56140753 is a prime.

It is a super-2 number, since 2×56140769² = 6303571887822722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56140759) 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, 1409 + ... + 10689.

It is an arithmetic number, because the mean of its divisors is an integer number (7351344).

Almost surely, 2^56140769 is an apocalyptic number.

It is an amenable number.

56140769 is a deficient number, since it is larger than the sum of its proper divisors (2669983).

56140769 is a wasteful number, since it uses less digits than its factorization.

56140769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9567.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 56140769 is about 7492.7143946637. The cubic root of 56140769 is about 382.9065414241.

The spelling of 56140769 in words is "fifty-six million, one hundred forty thousand, seven hundred sixty-nine".