51041500 has 96 divisors (see below), whose sum is σ = 119508480. Its totient is φ = 19008000.

The previous prime is 51041449. The next prime is 51041509. The reversal of 51041500 is 514015.

It is a happy number.

51041500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51041509) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 573456 + ... + 573544.

It is an arithmetic number, because the mean of its divisors is an integer number (1244880).

Almost surely, 2^51041500 is an apocalyptic number.

51041500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51041500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59754240).

51041500 is an abundant number, since it is smaller than the sum of its proper divisors (68466980).

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

51041500 is a wasteful number, since it uses less digits than its factorization.

51041500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 51041500 is about 7144.3334188712. Note that the first 3 decimals coincide. The cubic root of 51041500 is about 370.9435377830.

Adding to 51041500 its reverse (514015), we get a palindrome (51555515).

The spelling of 51041500 in words is "fifty-one million, forty-one thousand, five hundred".