55352449 has 2 divisors, whose sum is σ = 55352450. Its totient is φ = 55352448.

The previous prime is 55352413. The next prime is 55352461. The reversal of 55352449 is 94425355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49914225 + 5438224 = 7065^2 + 2332^2 .

It is a cyclic number.

It is not a de Polignac number, because 55352449 - 2¹⁷ = 55221377 is a prime.

It is a super-2 number, since 2×55352449² = 6127787220595202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55355449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27676224 + 27676225.

It is an arithmetic number, because the mean of its divisors is an integer number (27676225).

Almost surely, 2^55352449 is an apocalyptic number.

It is an amenable number.

55352449 is a deficient number, since it is larger than the sum of its proper divisors (1).

55352449 is an equidigital number, since it uses as much as digits as its factorization.

55352449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108000, while the sum is 37.

The square root of 55352449 is about 7439.9226474474. The cubic root of 55352449 is about 381.1058484321.

The spelling of 55352449 in words is "fifty-five million, three hundred fifty-two thousand, four hundred forty-nine".