51036 has 12 divisors (see below), whose sum is σ = 119112. Its totient is φ = 17008.

The previous prime is 51031. The next prime is 51043. The reversal of 51036 is 63015.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2115 + ... + 2138.

It is an arithmetic number, because the mean of its divisors is an integer number (9926).

2⁵¹⁰³⁶ is an apocalyptic number.

It is an amenable number.

51036 is an abundant number, since it is smaller than the sum of its proper divisors (68076).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59556).

51036 is a wasteful number, since it uses less digits than its factorization.

51036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4260 (or 4258 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 51036 is about 225.9114870917. The cubic root of 51036 is about 37.0930213575.

The spelling of 51036 in words is "fifty-one thousand, thirty-six".