55931027 has 2 divisors, whose sum is σ = 55931028. Its totient is φ = 55931026.

The previous prime is 55931017. The next prime is 55931047. The reversal of 55931027 is 72013955.

55931027 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55931027 - 2¹² = 55926931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55930984 and 55931002.

It is not a weakly prime, because it can be changed into another prime (55931017) 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, 27965513 + 27965514.

It is an arithmetic number, because the mean of its divisors is an integer number (27965514).

Almost surely, 2^55931027 is an apocalyptic number.

55931027 is a deficient number, since it is larger than the sum of its proper divisors (1).

55931027 is an equidigital number, since it uses as much as digits as its factorization.

55931027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 55931027 is about 7478.7049012513. The cubic root of 55931027 is about 382.4290998780.

The spelling of 55931027 in words is "fifty-five million, nine hundred thirty-one thousand, twenty-seven".