552278777 has 4 divisors (see below), whose sum is σ = 552378240. Its totient is φ = 552179316.

The previous prime is 552278669. The next prime is 552278801. The reversal of 552278777 is 777872255.

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 552278777 - 2¹⁰ = 552277753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (552278477) 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, 40877 + ... + 52682.

It is an arithmetic number, because the mean of its divisors is an integer number (138094560).

Almost surely, 2^552278777 is an apocalyptic number.

It is an amenable number.

552278777 is a deficient number, since it is larger than the sum of its proper divisors (99463).

552278777 is an equidigital number, since it uses as much as digits as its factorization.

552278777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99462.

The product of its digits is 1920800, while the sum is 50.

The square root of 552278777 is about 23500.6122686197. The cubic root of 552278777 is about 820.4512571737.

The spelling of 552278777 in words is "five hundred fifty-two million, two hundred seventy-eight thousand, seven hundred seventy-seven".