56054987386193 has 4 divisors (see below), whose sum is σ = 56891628989040. Its totient is φ = 55218345783348.

The previous prime is 56054987386157. The next prime is 56054987386199. The reversal of 56054987386193 is 39168378945065.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-56054987386193 is a prime.

It is a super-2 number, since 2×56054987386193² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

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 56054987386193.

It is not an unprimeable number, because it can be changed into a prime (56054987386199) 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, 418320801323 + ... + 418320801456.

It is an arithmetic number, because the mean of its divisors is an integer number (14222907247260).

Almost surely, 2^{56054987386193} is an apocalyptic number.

It is an amenable number.

56054987386193 is a deficient number, since it is larger than the sum of its proper divisors (836641602847).

56054987386193 is an equidigital number, since it uses as much as digits as its factorization.

56054987386193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836641602846.

The product of its (nonzero) digits is 1175731200, while the sum is 74.

The spelling of 56054987386193 in words is "fifty-six trillion, fifty-four billion, nine hundred eighty-seven million, three hundred eighty-six thousand, one hundred ninety-three".