56183894517457 has 24 divisors (see below), whose sum is σ = 65408253609312. Its totient is φ = 48119706835200.

The previous prime is 56183894517449. The next prime is 56183894517469. The reversal of 56183894517457 is 75471549838165.

It is not a de Polignac number, because 56183894517457 - 2³ = 56183894517449 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 56183894517457.

It is not an unprimeable number, because it can be changed into a prime (56183894547457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 338760082 + ... + 338925892.

It is an arithmetic number, because the mean of its divisors is an integer number (2725343900388).

Almost surely, 2^{56183894517457} is an apocalyptic number.

It is an amenable number.

56183894517457 is a deficient number, since it is larger than the sum of its proper divisors (9224359091855).

56183894517457 is a wasteful number, since it uses less digits than its factorization.

56183894517457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171229 (or 171222 counting only the distinct ones).

The product of its digits is 1016064000, while the sum is 73.

The spelling of 56183894517457 in words is "fifty-six trillion, one hundred eighty-three billion, eight hundred ninety-four million, five hundred seventeen thousand, four hundred fifty-seven".