55442327 has 2 divisors, whose sum is σ = 55442328. Its totient is φ = 55442326.

The previous prime is 55442311. The next prime is 55442333. The reversal of 55442327 is 72324455.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55442327 - 2⁴ = 55442311 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 55442293 and 55442302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55442357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27721163 + 27721164.

It is an arithmetic number, because the mean of its divisors is an integer number (27721164).

Almost surely, 2^55442327 is an apocalyptic number.

55442327 is a deficient number, since it is larger than the sum of its proper divisors (1).

55442327 is an equidigital number, since it uses as much as digits as its factorization.

55442327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33600, while the sum is 32.

The square root of 55442327 is about 7445.9604484579. The cubic root of 55442327 is about 381.3120091918.

The spelling of 55442327 in words is "fifty-five million, four hundred forty-two thousand, three hundred twenty-seven".