56213660342 has 48 divisors (see below), whose sum is σ = 101378737152. Its totient is φ = 23285057040.

The previous prime is 56213660339. The next prime is 56213660389. The reversal of 56213660342 is 24306631265.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 56213660296 and 56213660305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2489033 + ... + 2511515.

It is an arithmetic number, because the mean of its divisors is an integer number (2112057024).

Almost surely, 2^56213660342 is an apocalyptic number.

56213660342 is a deficient number, since it is larger than the sum of its proper divisors (45165076810).

56213660342 is a wasteful number, since it uses less digits than its factorization.

56213660342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23353 (or 23346 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 38.

The spelling of 56213660342 in words is "fifty-six billion, two hundred thirteen million, six hundred sixty thousand, three hundred forty-two".