56782607553 has 32 divisors (see below), whose sum is σ = 98738251520. Its totient is φ = 31570248960.

The previous prime is 56782607513. The next prime is 56782607573. The reversal of 56782607553 is 35570628765.

56782607553 is a `hidden beast` number, since 5 + 6 + 7 + 82 + 6 + 0 + 7 + 553 = 666.

It is not a de Polignac number, because 56782607553 - 2¹² = 56782603457 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56782607553.

It is not an unprimeable number, because it can be changed into a prime (56782607513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4052968 + ... + 4066953.

It is an arithmetic number, because the mean of its divisors is an integer number (3085570360).

Almost surely, 2^56782607553 is an apocalyptic number.

It is an amenable number.

56782607553 is a deficient number, since it is larger than the sum of its proper divisors (41955643967).

56782607553 is a wasteful number, since it uses less digits than its factorization.

56782607553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8119974 (or 8119968 counting only the distinct ones).

The product of its (nonzero) digits is 10584000, while the sum is 54.

The spelling of 56782607553 in words is "fifty-six billion, seven hundred eighty-two million, six hundred seven thousand, five hundred fifty-three".