55036393 has 2 divisors, whose sum is σ = 55036394. Its totient is φ = 55036392.

The previous prime is 55036367. The next prime is 55036409. The reversal of 55036393 is 39363055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37295449 + 17740944 = 6107^2 + 4212^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55036393 is a prime.

It is not a weakly prime, because it can be changed into another prime (55037393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27518196 + 27518197.

It is an arithmetic number, because the mean of its divisors is an integer number (27518197).

Almost surely, 2^55036393 is an apocalyptic number.

It is an amenable number.

55036393 is a deficient number, since it is larger than the sum of its proper divisors (1).

55036393 is an equidigital number, since it uses as much as digits as its factorization.

55036393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36450, while the sum is 34.

The square root of 55036393 is about 7418.6516969056. The cubic root of 55036393 is about 380.3791068846.

The spelling of 55036393 in words is "fifty-five million, thirty-six thousand, three hundred ninety-three".