56205406653 has 48 divisors (see below), whose sum is σ = 82942460160. Its totient is φ = 33829107840.

The previous prime is 56205406637. The next prime is 56205406661. The reversal of 56205406653 is 35660450265.

It is not a de Polignac number, because 56205406653 - 2⁴ = 56205406637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56205406633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50956300 + ... + 50957402.

It is an arithmetic number, because the mean of its divisors is an integer number (1727967920).

Almost surely, 2^56205406653 is an apocalyptic number.

It is an amenable number.

56205406653 is a deficient number, since it is larger than the sum of its proper divisors (26737053507).

56205406653 is a wasteful number, since it uses less digits than its factorization.

56205406653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1970 (or 1959 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 56205406653 in words is "fifty-six billion, two hundred five million, four hundred six thousand, six hundred fifty-three".