55877 has 4 divisors (see below), whose sum is σ = 56736. Its totient is φ = 55020.

The previous prime is 55871. The next prime is 55889. The reversal of 55877 is 77855.

55877 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 55877 - 2⁶ = 55813 is a prime.

It is a super-3 number, since 3×55877³ = 523384067433399, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 55877.

It is not an unprimeable number, because it can be changed into a prime (55871) 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, 323 + ... + 464.

It is an arithmetic number, because the mean of its divisors is an integer number (14184).

2⁵⁵⁸⁷⁷ is an apocalyptic number.

It is an amenable number.

55877 is a deficient number, since it is larger than the sum of its proper divisors (859).

55877 is an equidigital number, since it uses as much as digits as its factorization.

55877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858.

The product of its digits is 9800, while the sum is 32.

The square root of 55877 is about 236.3831635290. The cubic root of 55877 is about 38.2305923445.

The spelling of 55877 in words is "fifty-five thousand, eight hundred seventy-seven".