552155993 has 2 divisors, whose sum is σ = 552155994. Its totient is φ = 552155992.

The previous prime is 552155977. The next prime is 552155999. The reversal of 552155993 is 399551255.

552155993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 550747024 + 1408969 = 23468^2 + 1187^2 .

It is a cyclic number.

It is not a de Polignac number, because 552155993 - 2⁴ = 552155977 is a prime.

It is not a weakly prime, because it can be changed into another prime (552155999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276077996 + 276077997.

It is an arithmetic number, because the mean of its divisors is an integer number (276077997).

Almost surely, 2^552155993 is an apocalyptic number.

It is an amenable number.

552155993 is a deficient number, since it is larger than the sum of its proper divisors (1).

552155993 is an equidigital number, since it uses as much as digits as its factorization.

552155993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 303750, while the sum is 44.

The square root of 552155993 is about 23497.9997659375. Note that the first 3 decimals coincide. The cubic root of 552155993 is about 820.3904510750.

The spelling of 552155993 in words is "five hundred fifty-two million, one hundred fifty-five thousand, nine hundred ninety-three".