55343369 has 2 divisors, whose sum is σ = 55343370. Its totient is φ = 55343368.

The previous prime is 55343311. The next prime is 55343389. The reversal of 55343369 is 96334355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49168144 + 6175225 = 7012^2 + 2485^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55343369 is a prime.

It is a super-2 number, since 2×55343369² = 6125776984540322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55343389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27671684 + 27671685.

It is an arithmetic number, because the mean of its divisors is an integer number (27671685).

Almost surely, 2^55343369 is an apocalyptic number.

It is an amenable number.

55343369 is a deficient number, since it is larger than the sum of its proper divisors (1).

55343369 is an equidigital number, since it uses as much as digits as its factorization.

55343369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145800, while the sum is 38.

The square root of 55343369 is about 7439.3124010220. The cubic root of 55343369 is about 381.0850084609.

The spelling of 55343369 in words is "fifty-five million, three hundred forty-three thousand, three hundred sixty-nine".