51056230517 has 8 divisors (see below), whose sum is σ = 52969010400. Its totient is φ = 49153598704.

The previous prime is 51056230451. The next prime is 51056230523. The reversal of 51056230517 is 71503265015.

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

It is a cyclic number.

It is not a de Polignac number, because 51056230517 - 2¹⁰ = 51056229493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51056230217) 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, 2526767 + ... + 2546892.

It is an arithmetic number, because the mean of its divisors is an integer number (6621126300).

Almost surely, 2^51056230517 is an apocalyptic number.

It is an amenable number.

51056230517 is a deficient number, since it is larger than the sum of its proper divisors (1912779883).

51056230517 is a wasteful number, since it uses less digits than its factorization.

51056230517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5074035.

The product of its (nonzero) digits is 31500, while the sum is 35.

The spelling of 51056230517 in words is "fifty-one billion, fifty-six million, two hundred thirty thousand, five hundred seventeen".