51331150 has 48 divisors (see below), whose sum is σ = 103680864. Its totient is φ = 18794880.

The previous prime is 51331117. The next prime is 51331151. The reversal of 51331150 is 5113315.

It is a super-3 number, since 3×51331150³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51331151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101799 + ... + 102301.

It is an arithmetic number, because the mean of its divisors is an integer number (2160018).

Almost surely, 2^51331150 is an apocalyptic number.

51331150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51331150 is an abundant number, since it is smaller than the sum of its proper divisors (52349714).

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

51331150 is a wasteful number, since it uses less digits than its factorization.

51331150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685 (or 680 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 19.

The square root of 51331150 is about 7164.5760516586. The cubic root of 51331150 is about 371.6438907218.

Adding to 51331150 its reverse (5113315), we get a palindrome (56444465).

The spelling of 51331150 in words is "fifty-one million, three hundred thirty-one thousand, one hundred fifty".