51276 has 12 divisors (see below), whose sum is σ = 119672. Its totient is φ = 17088.

The previous prime is 51263. The next prime is 51283. The reversal of 51276 is 67215.

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

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2125 + ... + 2148.

2⁵¹²⁷⁶ is an apocalyptic number.

It is an amenable number.

51276 is an abundant number, since it is smaller than the sum of its proper divisors (68396).

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 (59836).

51276 is a wasteful number, since it uses less digits than its factorization.

51276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4280 (or 4278 counting only the distinct ones).

The product of its digits is 420, while the sum is 21.

The square root of 51276 is about 226.4420455657. The cubic root of 51276 is about 37.1510745414.

The spelling of 51276 in words is "fifty-one thousand, two hundred seventy-six".