56653729 has 8 divisors (see below), whose sum is σ = 61859520. Its totient is φ = 51457200.

The previous prime is 56653721. The next prime is 56653739. The reversal of 56653729 is 92735665.

56653729 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 a cyclic number.

It is not a de Polignac number, because 56653729 - 2³ = 56653721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56653721) 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, 19299 + ... + 22039.

It is an arithmetic number, because the mean of its divisors is an integer number (7732440).

Almost surely, 2^56653729 is an apocalyptic number.

It is an amenable number.

56653729 is a deficient number, since it is larger than the sum of its proper divisors (5205791).

56653729 is a wasteful number, since it uses less digits than its factorization.

56653729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4631.

The product of its digits is 340200, while the sum is 43.

The square root of 56653729 is about 7526.8671437724. The cubic root of 56653729 is about 384.0692172137.

The spelling of 56653729 in words is "fifty-six million, six hundred fifty-three thousand, seven hundred twenty-nine".