51333100532 has 24 divisors (see below), whose sum is σ = 102791297280. Its totient is φ = 21973093920.

The previous prime is 51333100529. The next prime is 51333100537. The reversal of 51333100532 is 23500133315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51333100537) 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 7 ways as a sum of consecutive naturals, for example, 1093532 + ... + 1139507.

It is an arithmetic number, because the mean of its divisors is an integer number (4282970720).

Almost surely, 2^51333100532 is an apocalyptic number.

It is an amenable number.

51333100532 is an abundant number, since it is smaller than the sum of its proper divisors (51458196748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51333100532 is a wasteful number, since it uses less digits than its factorization.

51333100532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2233871 (or 2233869 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 26.

Adding to 51333100532 its reverse (23500133315), we get a palindrome (74833233847).

The spelling of 51333100532 in words is "fifty-one billion, three hundred thirty-three million, one hundred thousand, five hundred thirty-two".