51504334110 has 128 divisors (see below), whose sum is σ = 141600476160. Its totient is φ = 13311796608.

The previous prime is 51504334099. The next prime is 51504334129. The reversal of 51504334110 is 1143340515.

It is a happy number.

51504334110 is a `hidden beast` number, since 515 + 0 + 4 + 3 + 34 + 110 = 666.

It is a super-2 number, since 2×51504334110² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 2617569 + ... + 2637171.

It is an arithmetic number, because the mean of its divisors is an integer number (1106253720).

Almost surely, 2^51504334110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51504334110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70800238080).

51504334110 is an abundant number, since it is smaller than the sum of its proper divisors (90096142050).

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

51504334110 is a wasteful number, since it uses less digits than its factorization.

51504334110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19919 (or 19913 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 51504334110 its reverse (1143340515), we get a palindrome (52647674625).

The spelling of 51504334110 in words is "fifty-one billion, five hundred four million, three hundred thirty-four thousand, one hundred ten".