55975027 has 2 divisors, whose sum is σ = 55975028. Its totient is φ = 55975026.

The previous prime is 55975021. The next prime is 55975039. The reversal of 55975027 is 72057955.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55975027 - 2⁷ = 55974899 is a prime.

It is not a weakly prime, because it can be changed into another prime (55975021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27987513 + 27987514.

It is an arithmetic number, because the mean of its divisors is an integer number (27987514).

Almost surely, 2^55975027 is an apocalyptic number.

55975027 is a deficient number, since it is larger than the sum of its proper divisors (1).

55975027 is an equidigital number, since it uses as much as digits as its factorization.

55975027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110250, while the sum is 40.

The square root of 55975027 is about 7481.6460087336. The cubic root of 55975027 is about 382.5293571100.

The spelling of 55975027 in words is "fifty-five million, nine hundred seventy-five thousand, twenty-seven".