55967081 has 2 divisors, whose sum is σ = 55967082. Its totient is φ = 55967080.

The previous prime is 55967063. The next prime is 55967101. The reversal of 55967081 is 18076955.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50183056 + 5784025 = 7084^2 + 2405^2 .

It is a cyclic number.

It is not a de Polignac number, because 55967081 - 2⁶ = 55967017 is a prime.

It is a super-2 number, since 2×55967081² = 6264628311321122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55967581) 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, 27983540 + 27983541.

It is an arithmetic number, because the mean of its divisors is an integer number (27983541).

Almost surely, 2^55967081 is an apocalyptic number.

It is an amenable number.

55967081 is a deficient number, since it is larger than the sum of its proper divisors (1).

55967081 is an equidigital number, since it uses as much as digits as its factorization.

55967081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 41.

The square root of 55967081 is about 7481.1149570101. The cubic root of 55967081 is about 382.5112554536.

The spelling of 55967081 in words is "fifty-five million, nine hundred sixty-seven thousand, eighty-one".