56355418223819 has 16 divisors (see below), whose sum is σ = 66207984855264. Its totient is φ = 47291102342400.

The previous prime is 56355418223773. The next prime is 56355418223921. The reversal of 56355418223819 is 91832281455365.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56355418223819 is a prime.

It is a super-2 number, since 2×56355418223819² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56355418226819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65776649 + ... + 66627909.

It is an arithmetic number, because the mean of its divisors is an integer number (4137999053454).

Almost surely, 2^{56355418223819} is an apocalyptic number.

56355418223819 is a deficient number, since it is larger than the sum of its proper divisors (9852566631445).

56355418223819 is a wasteful number, since it uses less digits than its factorization.

56355418223819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314238.

The product of its digits is 62208000, while the sum is 62.

The spelling of 56355418223819 in words is "fifty-six trillion, three hundred fifty-five billion, four hundred eighteen million, two hundred twenty-three thousand, eight hundred nineteen".