51323382201 has 64 divisors (see below), whose sum is σ = 85217312768. Its totient is φ = 26752923648.

The previous prime is 51323382193. The next prime is 51323382203. The reversal of 51323382201 is 10228332315.

It is a happy number.

It is not a de Polignac number, because 51323382201 - 2³ = 51323382193 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51323382203) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28783956 + ... + 28785738.

It is an arithmetic number, because the mean of its divisors is an integer number (1331520512).

Almost surely, 2^51323382201 is an apocalyptic number.

It is an amenable number.

51323382201 is a deficient number, since it is larger than the sum of its proper divisors (33893930567).

51323382201 is a wasteful number, since it uses less digits than its factorization.

51323382201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2990.

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 51323382201 in words is "fifty-one billion, three hundred twenty-three million, three hundred eighty-two thousand, two hundred one".