552778 has 4 divisors (see below), whose sum is σ = 829170. Its totient is φ = 276388.

The previous prime is 552757. The next prime is 552787. The reversal of 552778 is 877255.

552778 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 can be written as a sum of positive squares in only one way, i.e., 552049 + 729 = 743^2 + 27^2 .

It is an unprimeable number.

552778 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138193 + ... + 138196.

2⁵⁵²⁷⁷⁸ is an apocalyptic number.

552778 is a deficient number, since it is larger than the sum of its proper divisors (276392).

552778 is a wasteful number, since it uses less digits than its factorization.

552778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276391.

The product of its digits is 19600, while the sum is 34.

The square root of 552778 is about 743.4904168851. The cubic root of 552778 is about 82.0698393707.

The spelling of 552778 in words is "five hundred fifty-two thousand, seven hundred seventy-eight".