51534184 has 48 divisors (see below), whose sum is σ = 106989120. Its totient is φ = 23250240.

The previous prime is 51534181. The next prime is 51534193. The reversal of 51534184 is 48143515.

It is not an unprimeable number, because it can be changed into a prime (51534181) 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 11 ways as a sum of consecutive naturals, for example, 63139 + ... + 63949.

It is an arithmetic number, because the mean of its divisors is an integer number (2228940).

Almost surely, 2^51534184 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 51534184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53494560).

51534184 is an abundant number, since it is smaller than the sum of its proper divisors (55454936).

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

51534184 is a wasteful number, since it uses less digits than its factorization.

51534184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890 (or 873 counting only the distinct ones).

The product of its digits is 9600, while the sum is 31.

The square root of 51534184 is about 7178.7313642454. The cubic root of 51534184 is about 372.1332432084.

Adding to 51534184 its reverse (48143515), we get a palindrome (99677699).

The spelling of 51534184 in words is "fifty-one million, five hundred thirty-four thousand, one hundred eighty-four".