51812084610 has 192 divisors, whose sum is σ = 158457551616. Its totient is φ = 11580019200.

The previous prime is 51812084581. The next prime is 51812084627. The reversal of 51812084610 is 1648021815.

51812084610 is a `hidden beast` number, since 5 + 18 + 1 + 20 + 8 + 4 + 610 = 666.

It is a super-2 number, since 2×51812084610² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13138299 + ... + 13142241.

It is an arithmetic number, because the mean of its divisors is an integer number (825299748).

Almost surely, 2^51812084610 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51812084610, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79228775808).

51812084610 is an abundant number, since it is smaller than the sum of its proper divisors (106645467006).

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

51812084610 is a wasteful number, since it uses less digits than its factorization.

51812084610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5001 (or 4998 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 36.

The spelling of 51812084610 in words is "fifty-one billion, eight hundred twelve million, eighty-four thousand, six hundred ten".