51530005005 has 32 divisors (see below), whose sum is σ = 88197911424. Its totient is φ = 25599369216.

The previous prime is 51530004997. The next prime is 51530005061. The reversal of 51530005005 is 50050003515.

It is not a de Polignac number, because 51530005005 - 2³ = 51530004997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1016907 + ... + 1066376.

It is an arithmetic number, because the mean of its divisors is an integer number (2756184732).

Almost surely, 2^51530005005 is an apocalyptic number.

It is an amenable number.

51530005005 is a deficient number, since it is larger than the sum of its proper divisors (36667906419).

51530005005 is a wasteful number, since it uses less digits than its factorization.

51530005005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2083405.

The product of its (nonzero) digits is 1875, while the sum is 24.

The spelling of 51530005005 in words is "fifty-one billion, five hundred thirty million, five thousand, five".