56377565 has 8 divisors (see below), whose sum is σ = 68310528. Its totient is φ = 44663760.

The previous prime is 56377549. The next prime is 56377567. The reversal of 56377565 is 56577365.

56377565 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 not a de Polignac number, because 56377565 - 2⁴ = 56377549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56377567) 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, 54221 + ... + 55250.

It is an arithmetic number, because the mean of its divisors is an integer number (8538816).

Almost surely, 2^56377565 is an apocalyptic number.

It is an amenable number.

56377565 is a deficient number, since it is larger than the sum of its proper divisors (11932963).

56377565 is a wasteful number, since it uses less digits than its factorization.

56377565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109579.

The product of its digits is 661500, while the sum is 44.

The square root of 56377565 is about 7508.4995172138. The cubic root of 56377565 is about 383.4441397798. Note that the first 3 decimals are identical.

The spelling of 56377565 in words is "fifty-six million, three hundred seventy-seven thousand, five hundred sixty-five".