55927087 has 2 divisors, whose sum is σ = 55927088. Its totient is φ = 55927086.

The previous prime is 55927049. The next prime is 55927097. The reversal of 55927087 is 78072955.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55927087 - 2¹¹ = 55925039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55927037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27963543 + 27963544.

It is an arithmetic number, because the mean of its divisors is an integer number (27963544).

Almost surely, 2^55927087 is an apocalyptic number.

55927087 is a deficient number, since it is larger than the sum of its proper divisors (1).

55927087 is an equidigital number, since it uses as much as digits as its factorization.

55927087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 176400, while the sum is 43.

The square root of 55927087 is about 7478.4414820202. The cubic root of 55927087 is about 382.4201197340.

The spelling of 55927087 in words is "fifty-five million, nine hundred twenty-seven thousand, eighty-seven".