552376421 has 2 divisors, whose sum is σ = 552376422. Its totient is φ = 552376420.

The previous prime is 552376403. The next prime is 552376469. The reversal of 552376421 is 124673255.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 422097025 + 130279396 = 20545^2 + 11414^2 .

It is a cyclic number.

It is not a de Polignac number, because 552376421 - 2¹⁴ = 552360037 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (552376481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276188210 + 276188211.

It is an arithmetic number, because the mean of its divisors is an integer number (276188211).

Almost surely, 2^552376421 is an apocalyptic number.

It is an amenable number.

552376421 is a deficient number, since it is larger than the sum of its proper divisors (1).

552376421 is an equidigital number, since it uses as much as digits as its factorization.

552376421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50400, while the sum is 35.

The square root of 552376421 is about 23502.6896545906. The cubic root of 552376421 is about 820.4996068026.

The spelling of 552376421 in words is "five hundred fifty-two million, three hundred seventy-six thousand, four hundred twenty-one".