54568337387729 has 4 divisors (see below), whose sum is σ = 59529095332080. Its totient is φ = 49607579443380.

The previous prime is 54568337387723. The next prime is 54568337387747. The reversal of 54568337387729 is 92778373386545.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54568337387729 - 2⁴ = 54568337387713 is a prime.

It is a super-2 number, since 2×54568337387729² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 54568337387729.

It is not an unprimeable number, because it can be changed into a prime (54568337387723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2480378972159 + ... + 2480378972180.

It is an arithmetic number, because the mean of its divisors is an integer number (14882273833020).

Almost surely, 2^{54568337387729} is an apocalyptic number.

It is an amenable number.

54568337387729 is a deficient number, since it is larger than the sum of its proper divisors (4960757944351).

54568337387729 is a wasteful number, since it uses less digits than its factorization.

54568337387729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4960757944350.

The product of its digits is 6401203200, while the sum is 77.

The spelling of 54568337387729 in words is "fifty-four trillion, five hundred sixty-eight billion, three hundred thirty-seven million, three hundred eighty-seven thousand, seven hundred twenty-nine".