56486648609 has 4 divisors (see below), whose sum is σ = 56515078704. Its totient is φ = 56458218516.

The previous prime is 56486648587. The next prime is 56486648639. The reversal of 56486648609 is 90684668465.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90684668465 = 5 ⋅18136933693.

It is a cyclic number.

It is not a de Polignac number, because 56486648609 - 2²⁸ = 56218213153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56486648639) 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, 14212067 + ... + 14216040.

It is an arithmetic number, because the mean of its divisors is an integer number (14128769676).

Almost surely, 2^56486648609 is an apocalyptic number.

It is an amenable number.

56486648609 is a deficient number, since it is larger than the sum of its proper divisors (28430095).

56486648609 is a wasteful number, since it uses less digits than its factorization.

56486648609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28430094.

The product of its (nonzero) digits is 59719680, while the sum is 62.

The spelling of 56486648609 in words is "fifty-six billion, four hundred eighty-six million, six hundred forty-eight thousand, six hundred nine".