56662313101 has 4 divisors (see below), whose sum is σ = 57223326204. Its totient is φ = 56101300000.

The previous prime is 56662313077. The next prime is 56662313137. The reversal of 56662313101 is 10131326665.

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

It can be written as a sum of positive squares in 2 ways, for example, as 47783774025 + 8878539076 = 218595^2 + 94226^2 .

It is a cyclic number.

It is not a de Polignac number, because 56662313101 - 2¹⁷ = 56662182029 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 (56662313401) 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, 280506400 + ... + 280506601.

It is an arithmetic number, because the mean of its divisors is an integer number (14305831551).

Almost surely, 2^56662313101 is an apocalyptic number.

It is an amenable number.

56662313101 is a deficient number, since it is larger than the sum of its proper divisors (561013103).

56662313101 is a wasteful number, since it uses less digits than its factorization.

56662313101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561013102.

The product of its (nonzero) digits is 19440, while the sum is 34.

Adding to 56662313101 its reverse (10131326665), we get a palindrome (66793639766).

The spelling of 56662313101 in words is "fifty-six billion, six hundred sixty-two million, three hundred thirteen thousand, one hundred one".