550877 has 4 divisors (see below), whose sum is σ = 555036. Its totient is φ = 546720.

The previous prime is 550861. The next prime is 550903. The reversal of 550877 is 778055.

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

It can be written as a sum of positive squares in 2 ways, for example, as 155236 + 395641 = 394^2 + 629^2 .

It is a cyclic number.

It is not a de Polignac number, because 550877 - 2⁴ = 550861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550177) 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, 1874 + ... + 2147.

It is an arithmetic number, because the mean of its divisors is an integer number (138759).

2⁵⁵⁰⁸⁷⁷ is an apocalyptic number.

It is an amenable number.

550877 is a deficient number, since it is larger than the sum of its proper divisors (4159).

550877 is a wasteful number, since it uses less digits than its factorization.

550877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4158.

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

The square root of 550877 is about 742.2108864736. The cubic root of 550877 is about 81.9756521010.

The spelling of 550877 in words is "five hundred fifty thousand, eight hundred seventy-seven".