51530545005 has 32 divisors (see below), whose sum is σ = 85914604800. Its totient is φ = 26341550592.

The previous prime is 51530544983. The next prime is 51530545007. The reversal of 51530545005 is 50054503515.

It is not a de Polignac number, because 51530545005 - 2⁸ = 51530544749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51530545007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 372745 + ... + 491934.

It is an arithmetic number, because the mean of its divisors is an integer number (2684831400).

Almost surely, 2^51530545005 is an apocalyptic number.

It is an amenable number.

51530545005 is a deficient number, since it is larger than the sum of its proper divisors (34384059795).

51530545005 is a wasteful number, since it uses less digits than its factorization.

51530545005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864853.

The product of its (nonzero) digits is 37500, while the sum is 33.

The spelling of 51530545005 in words is "fifty-one billion, five hundred thirty million, five hundred forty-five thousand, five".