51046 has 4 divisors (see below), whose sum is σ = 76572. Its totient is φ = 25522.

The previous prime is 51043. The next prime is 51047. The reversal of 51046 is 64015.

It is a semiprime because it is the product of two primes.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12760 + ... + 12763.

It is an arithmetic number, because the mean of its divisors is an integer number (19143).

2⁵¹⁰⁴⁶ is an apocalyptic number.

51046 is a deficient number, since it is larger than the sum of its proper divisors (25526).

51046 is a wasteful number, since it uses less digits than its factorization.

51046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25525.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 51046 is about 225.9336185697. The cubic root of 51046 is about 37.0954438696.

The spelling of 51046 in words is "fifty-one thousand, forty-six".