55087927 has 2 divisors, whose sum is σ = 55087928. Its totient is φ = 55087926.

The previous prime is 55087919. The next prime is 55088009. The reversal of 55087927 is 72978055.

55087927 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 55087927 - 2³ = 55087919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55087027) 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, 27543963 + 27543964.

It is an arithmetic number, because the mean of its divisors is an integer number (27543964).

Almost surely, 2^55087927 is an apocalyptic number.

55087927 is a deficient number, since it is larger than the sum of its proper divisors (1).

55087927 is an equidigital number, since it uses as much as digits as its factorization.

55087927 is an odious number, because the sum of its binary digits is odd.

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

The square root of 55087927 is about 7422.1241568705. The cubic root of 55087927 is about 380.4977940579.

The spelling of 55087927 in words is "fifty-five million, eighty-seven thousand, nine hundred twenty-seven".