56613508713 has 16 divisors (see below), whose sum is σ = 83911197760. Its totient is φ = 37724639328.

The previous prime is 56613508709. The next prime is 56613508717. The reversal of 56613508713 is 31780531665.

56613508713 is a `hidden beast` number, since 5 + 66 + 13 + 508 + 71 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (56613508709) and next prime (56613508717).

It is not a de Polignac number, because 56613508713 - 2² = 56613508709 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56613508717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 432895 + ... + 548292.

It is an arithmetic number, because the mean of its divisors is an integer number (5244449860).

Almost surely, 2^56613508713 is an apocalyptic number.

It is an amenable number.

56613508713 is a deficient number, since it is larger than the sum of its proper divisors (27297689047).

56613508713 is a wasteful number, since it uses less digits than its factorization.

56613508713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983333 (or 983327 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 56613508713 in words is "fifty-six billion, six hundred thirteen million, five hundred eight thousand, seven hundred thirteen".