51055600569 has 8 divisors (see below), whose sum is σ = 68119192512. Its totient is φ = 34014537840.

The previous prime is 51055600543. The next prime is 51055600573. The reversal of 51055600569 is 96500655015.

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

It is not a de Polignac number, because 51055600569 - 2²⁰ = 51054551993 is a prime.

It is a super-2 number, since 2×51055600569² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 51055600569.

It is not an unprimeable number, because it can be changed into a prime (51055600369) 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, 5627014 + ... + 5636079.

It is an arithmetic number, because the mean of its divisors is an integer number (8514899064).

Almost surely, 2^51055600569 is an apocalyptic number.

It is an amenable number.

51055600569 is a deficient number, since it is larger than the sum of its proper divisors (17063591943).

51055600569 is a wasteful number, since it uses less digits than its factorization.

51055600569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11264607.

The product of its (nonzero) digits is 202500, while the sum is 42.

The spelling of 51055600569 in words is "fifty-one billion, fifty-five million, six hundred thousand, five hundred sixty-nine".