56075565 has 32 divisors (see below), whose sum is σ = 110428416. Its totient is φ = 23662080.

The previous prime is 56075563. The next prime is 56075567. The reversal of 56075565 is 56557065.

It is an interprime number because it is at equal distance from previous prime (56075563) and next prime (56075567).

It is not a de Polignac number, because 56075565 - 2¹ = 56075563 is a prime.

It is a super-3 number, since 3×56075565³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56075561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19176 + ... + 21905.

It is an arithmetic number, because the mean of its divisors is an integer number (3450888).

Almost surely, 2^56075565 is an apocalyptic number.

It is an amenable number.

56075565 is a deficient number, since it is larger than the sum of its proper divisors (54352851).

56075565 is a wasteful number, since it uses less digits than its factorization.

56075565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41109.

The product of its (nonzero) digits is 157500, while the sum is 39.

The square root of 56075565 is about 7488.3619704178. The cubic root of 56075565 is about 382.7582433114.

The spelling of 56075565 in words is "fifty-six million, seventy-five thousand, five hundred sixty-five".