51312872059 has 8 divisors (see below), whose sum is σ = 51356005920. Its totient is φ = 51269761536.

The previous prime is 51312872053. The next prime is 51312872071. The reversal of 51312872059 is 95027821315.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51312872059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51312872053) 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, 9122722 + ... + 9128344.

It is an arithmetic number, because the mean of its divisors is an integer number (6419500740).

Almost surely, 2^51312872059 is an apocalyptic number.

51312872059 is a deficient number, since it is larger than the sum of its proper divisors (43133861).

51312872059 is a wasteful number, since it uses less digits than its factorization.

51312872059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11669.

The product of its (nonzero) digits is 151200, while the sum is 43.

The spelling of 51312872059 in words is "fifty-one billion, three hundred twelve million, eight hundred seventy-two thousand, fifty-nine".