55540327 has 2 divisors, whose sum is σ = 55540328. Its totient is φ = 55540326.

The previous prime is 55540319. The next prime is 55540349. The reversal of 55540327 is 72304555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55540327 - 2³ = 55540319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55540027) 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, 27770163 + 27770164.

It is an arithmetic number, because the mean of its divisors is an integer number (27770164).

Almost surely, 2^55540327 is an apocalyptic number.

55540327 is a deficient number, since it is larger than the sum of its proper divisors (1).

55540327 is an equidigital number, since it uses as much as digits as its factorization.

55540327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21000, while the sum is 31.

The square root of 55540327 is about 7452.5382924209. The cubic root of 55540327 is about 381.5365463094.

The spelling of 55540327 in words is "fifty-five million, five hundred forty thousand, three hundred twenty-seven".