56622211715 has 4 divisors (see below), whose sum is σ = 67946654064. Its totient is φ = 45297769368.

The previous prime is 56622211687. The next prime is 56622211747. The reversal of 56622211715 is 51711222665.

56622211715 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 56622211715 - 2¹⁰ = 56622210691 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5662221167 + ... + 5662221176.

It is an arithmetic number, because the mean of its divisors is an integer number (16986663516).

Almost surely, 2^56622211715 is an apocalyptic number.

56622211715 is a deficient number, since it is larger than the sum of its proper divisors (11324442349).

56622211715 is a wasteful number, since it uses less digits than its factorization.

56622211715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11324442348.

The product of its digits is 50400, while the sum is 38.

The spelling of 56622211715 in words is "fifty-six billion, six hundred twenty-two million, two hundred eleven thousand, seven hundred fifteen".