55571363 has 2 divisors, whose sum is σ = 55571364. Its totient is φ = 55571362.

The previous prime is 55571357. The next prime is 55571387. The reversal of 55571363 is 36317555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55571363 - 2⁸ = 55571107 is a prime.

It is not a weakly prime, because it can be changed into another prime (55571303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27785681 + 27785682.

It is an arithmetic number, because the mean of its divisors is an integer number (27785682).

Almost surely, 2^55571363 is an apocalyptic number.

55571363 is a deficient number, since it is larger than the sum of its proper divisors (1).

55571363 is an equidigital number, since it uses as much as digits as its factorization.

55571363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47250, while the sum is 35.

The square root of 55571363 is about 7454.6202451902. The cubic root of 55571363 is about 381.6076007661.

The spelling of 55571363 in words is "fifty-five million, five hundred seventy-one thousand, three hundred sixty-three".