51255234510 has 16 divisors (see below), whose sum is σ = 123012562896. Its totient is φ = 13668062528.

The previous prime is 51255234509. The next prime is 51255234517. The reversal of 51255234510 is 1543255215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51255234517) 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, 854253879 + ... + 854253938.

It is an arithmetic number, because the mean of its divisors is an integer number (7688285181).

Almost surely, 2^51255234510 is an apocalyptic number.

51255234510 is an abundant number, since it is smaller than the sum of its proper divisors (71757328386).

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

51255234510 is a wasteful number, since it uses less digits than its factorization.

51255234510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708507827.

The product of its (nonzero) digits is 30000, while the sum is 33.

Adding to 51255234510 its reverse (1543255215), we get a palindrome (52798489725).

The spelling of 51255234510 in words is "fifty-one billion, two hundred fifty-five million, two hundred thirty-four thousand, five hundred ten".