51530331201 has 32 divisors (see below), whose sum is σ = 73354896000. Its totient is φ = 32064046080.

The previous prime is 51530331187. The next prime is 51530331221. The reversal of 51530331201 is 10213303515.

It is not a de Polignac number, because 51530331201 - 2⁹ = 51530330689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51530331221) 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, 5017810 + ... + 5028068.

It is an arithmetic number, because the mean of its divisors is an integer number (2292340500).

Almost surely, 2^51530331201 is an apocalyptic number.

51530331201 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

51530331201 is a deficient number, since it is larger than the sum of its proper divisors (21824564799).

51530331201 is a wasteful number, since it uses less digits than its factorization.

51530331201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11089.

The product of its (nonzero) digits is 1350, while the sum is 24.

Adding to 51530331201 its reverse (10213303515), we get a palindrome (61743634716).

The spelling of 51530331201 in words is "fifty-one billion, five hundred thirty million, three hundred thirty-one thousand, two hundred one".