550078 has 4 divisors (see below), whose sum is σ = 825120. Its totient is φ = 275038.

The previous prime is 550073. The next prime is 550111. The reversal of 550078 is 870055.

550078 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.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137518 + ... + 137521.

It is an arithmetic number, because the mean of its divisors is an integer number (206280).

2⁵⁵⁰⁰⁷⁸ is an apocalyptic number.

550078 is a deficient number, since it is larger than the sum of its proper divisors (275042).

550078 is a wasteful number, since it uses less digits than its factorization.

550078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275041.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 550078 is about 741.6724344345. The cubic root of 550078 is about 81.9360000321.

The spelling of 550078 in words is "five hundred fifty thousand, seventy-eight".