56733265 has 4 divisors (see below), whose sum is σ = 68079924. Its totient is φ = 45386608.

The previous prime is 56733179. The next prime is 56733269. The reversal of 56733265 is 56233765.

It is a happy number.

56733265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9412624 + 47320641 = 3068^2 + 6879^2 .

It is a cyclic number.

It is not a de Polignac number, because 56733265 - 2²³ = 48344657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56733269) 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 3 ways as a sum of consecutive naturals, for example, 5673322 + ... + 5673331.

It is an arithmetic number, because the mean of its divisors is an integer number (17019981).

Almost surely, 2^56733265 is an apocalyptic number.

It is an amenable number.

56733265 is a deficient number, since it is larger than the sum of its proper divisors (11346659).

56733265 is a wasteful number, since it uses less digits than its factorization.

56733265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11346658.

The product of its digits is 113400, while the sum is 37.

The square root of 56733265 is about 7532.1487637991. The cubic root of 56733265 is about 384.2488643781.

Subtracting from 56733265 its reverse (56233765), we obtain a triangular number (499500 = T₉₉₉).

The spelling of 56733265 in words is "fifty-six million, seven hundred thirty-three thousand, two hundred sixty-five".