56350017053861 has 4 divisors (see below), whose sum is σ = 56365417444800. Its totient is φ = 56334616662924.

The previous prime is 56350017053783. The next prime is 56350017053887. The reversal of 56350017053861 is 16835071005365.

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 not a de Polignac number, because 56350017053861 - 2¹⁴ = 56350017037477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56350017083861) 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, 7700189981 + ... + 7700197298.

It is an arithmetic number, because the mean of its divisors is an integer number (14091354361200).

Almost surely, 2^{56350017053861} is an apocalyptic number.

It is an amenable number.

56350017053861 is a deficient number, since it is larger than the sum of its proper divisors (15400390939).

56350017053861 is a wasteful number, since it uses less digits than its factorization.

56350017053861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15400390938.

The product of its (nonzero) digits is 2268000, while the sum is 50.

The spelling of 56350017053861 in words is "fifty-six trillion, three hundred fifty billion, seventeen million, fifty-three thousand, eight hundred sixty-one".