55246427 has 2 divisors, whose sum is σ = 55246428. Its totient is φ = 55246426.

The previous prime is 55246409. The next prime is 55246463. The reversal of 55246427 is 72464255.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55246427 - 2²² = 51052123 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55246487) 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, 27623213 + 27623214.

It is an arithmetic number, because the mean of its divisors is an integer number (27623214).

Almost surely, 2^55246427 is an apocalyptic number.

55246427 is a deficient number, since it is larger than the sum of its proper divisors (1).

55246427 is an equidigital number, since it uses as much as digits as its factorization.

55246427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 67200, while the sum is 35.

The square root of 55246427 is about 7432.7940237841. The cubic root of 55246427 is about 380.8623697177.

The spelling of 55246427 in words is "fifty-five million, two hundred forty-six thousand, four hundred twenty-seven".