55144627 has 2 divisors, whose sum is σ = 55144628. Its totient is φ = 55144626.

The previous prime is 55144613. The next prime is 55144633. The reversal of 55144627 is 72644155.

55144627 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55144627 - 2⁷ = 55144499 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55144592 and 55144601.

It is not a weakly prime, because it can be changed into another prime (55144637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27572313 + 27572314.

It is an arithmetic number, because the mean of its divisors is an integer number (27572314).

Almost surely, 2^55144627 is an apocalyptic number.

55144627 is a deficient number, since it is larger than the sum of its proper divisors (1).

55144627 is an equidigital number, since it uses as much as digits as its factorization.

55144627 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33600, while the sum is 34.

The square root of 55144627 is about 7425.9428357617. The cubic root of 55144627 is about 380.6282934762.

The spelling of 55144627 in words is "fifty-five million, one hundred forty-four thousand, six hundred twenty-seven".