56734806745 has 4 divisors (see below), whose sum is σ = 68081768100. Its totient is φ = 45387845392.

The previous prime is 56734806727. The next prime is 56734806757. The reversal of 56734806745 is 54760843765.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27016839424 + 29717967321 = 164368^2 + 172389^2 .

It is a cyclic number.

It is not a de Polignac number, because 56734806745 - 2¹⁹ = 56734282457 is a prime.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5673480670 + ... + 5673480679.

It is an arithmetic number, because the mean of its divisors is an integer number (17020442025).

Almost surely, 2^56734806745 is an apocalyptic number.

It is an amenable number.

56734806745 is a deficient number, since it is larger than the sum of its proper divisors (11346961355).

56734806745 is a wasteful number, since it uses less digits than its factorization.

56734806745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11346961354.

The product of its (nonzero) digits is 16934400, while the sum is 55.

The spelling of 56734806745 in words is "fifty-six billion, seven hundred thirty-four million, eight hundred six thousand, seven hundred forty-five".