56517653 has 4 divisors (see below), whose sum is σ = 56652960. Its totient is φ = 56382348.

The previous prime is 56517631. The next prime is 56517677. The reversal of 56517653 is 35671565.

56517653 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56517653 - 2⁶ = 56517589 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 (56517683) 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, 67025 + ... + 67862.

It is an arithmetic number, because the mean of its divisors is an integer number (14163240).

Almost surely, 2^56517653 is an apocalyptic number.

It is an amenable number.

56517653 is a deficient number, since it is larger than the sum of its proper divisors (135307).

56517653 is a wasteful number, since it uses less digits than its factorization.

56517653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135306.

The product of its digits is 94500, while the sum is 38.

The square root of 56517653 is about 7517.8223575714. The cubic root of 56517653 is about 383.7614734127.

The spelling of 56517653 in words is "fifty-six million, five hundred seventeen thousand, six hundred fifty-three".