51830026752 has 480 divisors, whose sum is σ = 170174822400. Its totient is φ = 13948526592.

The previous prime is 51830026741. The next prime is 51830026771. The reversal of 51830026752 is 25762003815.

It is a super-2 number, since 2×51830026752² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51830026752.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 136754499 + ... + 136754877.

It is an arithmetic number, because the mean of its divisors is an integer number (354530880).

Almost surely, 2^51830026752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51830026752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85087411200).

51830026752 is an abundant number, since it is smaller than the sum of its proper divisors (118344795648).

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

51830026752 is a wasteful number, since it uses less digits than its factorization.

51830026752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516 (or 493 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The spelling of 51830026752 in words is "fifty-one billion, eight hundred thirty million, twenty-six thousand, seven hundred fifty-two".