51877 has 4 divisors (see below), whose sum is σ = 59296. Its totient is φ = 44460.

The previous prime is 51871. The next prime is 51893. The reversal of 51877 is 77815.

It is a happy number.

51877 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51877 - 2³ = 51869 is a prime.

It is a Duffinian number.

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 (51871) 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, 3699 + ... + 3712.

It is an arithmetic number, because the mean of its divisors is an integer number (14824).

2⁵¹⁸⁷⁷ is an apocalyptic number.

51877 is the 132-nd hex number.

It is an amenable number.

51877 is a deficient number, since it is larger than the sum of its proper divisors (7419).

51877 is an equidigital number, since it uses as much as digits as its factorization.

51877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7418.

The product of its digits is 1960, while the sum is 28.

The square root of 51877 is about 227.7652300067. The cubic root of 51877 is about 37.2956589188.

It can be divided in two parts, 518 and 77, that added together give a palindrome (595).

The spelling of 51877 in words is "fifty-one thousand, eight hundred seventy-seven".