56633765 has 8 divisors (see below), whose sum is σ = 68891928. Its totient is φ = 44686080.

The previous prime is 56633747. The next prime is 56633767. The reversal of 56633765 is 56733665.

It can be written as a sum of positive squares in 4 ways, for example, as 12623809 + 44009956 = 3553^2 + 6634^2 .

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

It is not a de Polignac number, because 56633765 - 2⁶ = 56633701 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 (56633767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77216 + ... + 77945.

It is an arithmetic number, because the mean of its divisors is an integer number (8611491).

Almost surely, 2^56633765 is an apocalyptic number.

It is an amenable number.

56633765 is a deficient number, since it is larger than the sum of its proper divisors (12258163).

56633765 is a wasteful number, since it uses less digits than its factorization.

56633765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155239.

The product of its digits is 340200, while the sum is 41.

The square root of 56633765 is about 7525.5408443513. The cubic root of 56633765 is about 384.0240983321.

The spelling of 56633765 in words is "fifty-six million, six hundred thirty-three thousand, seven hundred sixty-five".