56542783133 has 16 divisors (see below), whose sum is σ = 58473757440. Its totient is φ = 54642881856.

The previous prime is 56542783123. The next prime is 56542783151. The reversal of 56542783133 is 33138724565.

It is a cyclic number.

It is not a de Polignac number, because 56542783133 - 2¹⁶ = 56542717597 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56542783103) 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 15 ways as a sum of consecutive naturals, for example, 10877291 + ... + 10882487.

It is an arithmetic number, because the mean of its divisors is an integer number (3654609840).

Almost surely, 2^56542783133 is an apocalyptic number.

It is an amenable number.

56542783133 is a deficient number, since it is larger than the sum of its proper divisors (1930974307).

56542783133 is a wasteful number, since it uses less digits than its factorization.

56542783133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8116.

The product of its digits is 1814400, while the sum is 47.

The spelling of 56542783133 in words is "fifty-six billion, five hundred forty-two million, seven hundred eighty-three thousand, one hundred thirty-three".