51630364601650 has 96 divisors (see below), whose sum is σ = 97356968755200. Its totient is φ = 20369393352000.

The previous prime is 51630364601623. The next prime is 51630364601659. The reversal of 51630364601650 is 5610646303615.

It is a happy number.

51630364601650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 51630364601650.

It is not an unprimeable number, because it can be changed into a prime (51630364601659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1555536555 + ... + 1555569745.

It is an arithmetic number, because the mean of its divisors is an integer number (1014135091200).

Almost surely, 2^{51630364601650} is an apocalyptic number.

51630364601650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51630364601650 is a deficient number, since it is larger than the sum of its proper divisors (45726604153550).

51630364601650 is a wasteful number, since it uses less digits than its factorization.

51630364601650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34760 (or 34755 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 46.

The spelling of 51630364601650 in words is "fifty-one trillion, six hundred thirty billion, three hundred sixty-four million, six hundred one thousand, six hundred fifty".