56643735 has 8 divisors (see below), whose sum is σ = 90630000. Its totient is φ = 30209984.

The previous prime is 56643709. The next prime is 56643749. The reversal of 56643735 is 53734665.

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 56643735 - 2¹⁰ = 56642711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56643693 and 56643702.

It is a congruent number.

It is an unprimeable number.

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, 1888110 + ... + 1888139.

It is an arithmetic number, because the mean of its divisors is an integer number (11328750).

Almost surely, 2^56643735 is an apocalyptic number.

56643735 is a deficient number, since it is larger than the sum of its proper divisors (33986265).

56643735 is a wasteful number, since it uses less digits than its factorization.

56643735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3776257.

The product of its digits is 226800, while the sum is 39.

The square root of 56643735 is about 7526.2032260629. The cubic root of 56643735 is about 384.0466319780.

The spelling of 56643735 in words is "fifty-six million, six hundred forty-three thousand, seven hundred thirty-five".