51484 has 12 divisors (see below), whose sum is σ = 92008. Its totient is φ = 25200.

The previous prime is 51481. The next prime is 51487. The reversal of 51484 is 48415.

It is an interprime number because it is at equal distance from previous prime (51481) and next prime (51487).

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139 + ... + 349.

2⁵¹⁴⁸⁴ is an apocalyptic number.

It is an amenable number.

51484 is a deficient number, since it is larger than the sum of its proper divisors (40524).

51484 is a wasteful number, since it uses less digits than its factorization.

51484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276 (or 274 counting only the distinct ones).

The product of its digits is 640, while the sum is 22.

The square root of 51484 is about 226.9008594078. The cubic root of 51484 is about 37.2012409499.

Adding to 51484 its reverse (48415), we get a palindrome (99899).

It can be divided in two parts, 51 and 484, that added together give a palindrome (535).

The spelling of 51484 in words is "fifty-one thousand, four hundred eighty-four".