55585027 has 2 divisors, whose sum is σ = 55585028. Its totient is φ = 55585026.

The previous prime is 55585007. The next prime is 55585069. The reversal of 55585027 is 72058555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55585027 - 2²³ = 47196419 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55585007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27792513 + 27792514.

It is an arithmetic number, because the mean of its divisors is an integer number (27792514).

Almost surely, 2^55585027 is an apocalyptic number.

55585027 is a deficient number, since it is larger than the sum of its proper divisors (1).

55585027 is an equidigital number, since it uses as much as digits as its factorization.

55585027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70000, while the sum is 37.

The square root of 55585027 is about 7455.5366674707. The cubic root of 55585027 is about 381.6388750212.

It can be divided in two parts, 5558 and 5027, that added together give a triangular number (10585 = T₁₄₅).

The spelling of 55585027 in words is "fifty-five million, five hundred eighty-five thousand, twenty-seven".