55231327 has 2 divisors, whose sum is σ = 55231328. Its totient is φ = 55231326.

The previous prime is 55231301. The next prime is 55231331. The reversal of 55231327 is 72313255.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55231327 - 2⁷ = 55231199 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 55231295 and 55231304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55231927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27615663 + 27615664.

It is an arithmetic number, because the mean of its divisors is an integer number (27615664).

Almost surely, 2^55231327 is an apocalyptic number.

55231327 is a deficient number, since it is larger than the sum of its proper divisors (1).

55231327 is an equidigital number, since it uses as much as digits as its factorization.

55231327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6300, while the sum is 28.

The square root of 55231327 is about 7431.7781856027. The cubic root of 55231327 is about 380.8276673479.

The spelling of 55231327 in words is "fifty-five million, two hundred thirty-one thousand, three hundred twenty-seven".