56533565 has 8 divisors (see below), whose sum is σ = 74007648. Its totient is φ = 41115280.

The previous prime is 56533559. The next prime is 56533567.

It is a happy number.

56533565 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56533565 - 2⁴ = 56533549 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56533567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 513887 + ... + 513996.

It is an arithmetic number, because the mean of its divisors is an integer number (9250956).

Almost surely, 2^56533565 is an apocalyptic number.

56533565 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56533565 is a deficient number, since it is larger than the sum of its proper divisors (17474083).

56533565 is a wasteful number, since it uses less digits than its factorization.

56533565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027899.

The product of its digits is 202500, while the sum is 38.

The square root of 56533565 is about 7518.8805682761. The cubic root of 56533565 is about 383.7974848136.

The spelling of 56533565 in words is "fifty-six million, five hundred thirty-three thousand, five hundred sixty-five".