55897067 has 2 divisors, whose sum is σ = 55897068. Its totient is φ = 55897066.

The previous prime is 55897057. The next prime is 55897087. The reversal of 55897067 is 76079855.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55897067 - 2⁸ = 55896811 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55897027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27948533 + 27948534.

It is an arithmetic number, because the mean of its divisors is an integer number (27948534).

Almost surely, 2^55897067 is an apocalyptic number.

55897067 is a deficient number, since it is larger than the sum of its proper divisors (1).

55897067 is an equidigital number, since it uses as much as digits as its factorization.

55897067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 529200, while the sum is 47.

The square root of 55897067 is about 7476.4341099217. The cubic root of 55897067 is about 382.3516835652.

The spelling of 55897067 in words is "fifty-five million, eight hundred ninety-seven thousand, sixty-seven".