56816554343 has 4 divisors (see below), whose sum is σ = 56818317648. Its totient is φ = 56814791040.

The previous prime is 56816554307. The next prime is 56816554349. The reversal of 56816554343 is 34345561865.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56816554343 - 2¹⁰ = 56816553319 is a prime.

It is a super-2 number, since 2×56816554343² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56816554291 and 56816554300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56816554349) 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, 832403 + ... + 898068.

It is an arithmetic number, because the mean of its divisors is an integer number (14204579412).

Almost surely, 2^56816554343 is an apocalyptic number.

56816554343 is a deficient number, since it is larger than the sum of its proper divisors (1763305).

56816554343 is a wasteful number, since it uses less digits than its factorization.

56816554343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763304.

The product of its digits is 5184000, while the sum is 50.

The spelling of 56816554343 in words is "fifty-six billion, eight hundred sixteen million, five hundred fifty-four thousand, three hundred forty-three".