51928572005 has 8 divisors (see below), whose sum is σ = 62865740952. Its totient is φ = 41175221248.

The previous prime is 51928571969. The next prime is 51928572029. The reversal of 51928572005 is 50027582915.

It can be written as a sum of positive squares in 4 ways, for example, as 162766564 + 51765805441 = 12758^2 + 227521^2 .

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-51928572005 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45953924 + ... + 45955053.

It is an arithmetic number, because the mean of its divisors is an integer number (7858217619).

Almost surely, 2^51928572005 is an apocalyptic number.

It is an amenable number.

51928572005 is a deficient number, since it is larger than the sum of its proper divisors (10937168947).

51928572005 is a wasteful number, since it uses less digits than its factorization.

51928572005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91909095.

The product of its (nonzero) digits is 252000, while the sum is 44.

The spelling of 51928572005 in words is "fifty-one billion, nine hundred twenty-eight million, five hundred seventy-two thousand, five".