56555074709 has 8 divisors (see below), whose sum is σ = 64635866880. Its totient is φ = 48474656496.

The previous prime is 56555074687. The next prime is 56555074711. The reversal of 56555074709 is 90747055565.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56555074709 - 2⁸ = 56555074453 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56555074729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414932 + ... + 534114.

It is an arithmetic number, because the mean of its divisors is an integer number (8079483360).

Almost surely, 2^56555074709 is an apocalyptic number.

It is an amenable number.

56555074709 is a deficient number, since it is larger than the sum of its proper divisors (8080792171).

56555074709 is a wasteful number, since it uses less digits than its factorization.

56555074709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186979.

The product of its (nonzero) digits is 6615000, while the sum is 53.

The spelling of 56555074709 in words is "fifty-six billion, five hundred fifty-five million, seventy-four thousand, seven hundred nine".