55975061 has 2 divisors, whose sum is σ = 55975062. Its totient is φ = 55975060.

The previous prime is 55975039. The next prime is 55975069. The reversal of 55975061 is 16057955.

55975061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41036836 + 14938225 = 6406^2 + 3865^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55975061 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55975069) 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, 27987530 + 27987531.

It is an arithmetic number, because the mean of its divisors is an integer number (27987531).

Almost surely, 2^55975061 is an apocalyptic number.

It is an amenable number.

55975061 is a deficient number, since it is larger than the sum of its proper divisors (1).

55975061 is an equidigital number, since it uses as much as digits as its factorization.

55975061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47250, while the sum is 38.

The square root of 55975061 is about 7481.6482809606. The cubic root of 55975061 is about 382.5294345612.

The spelling of 55975061 in words is "fifty-five million, nine hundred seventy-five thousand, sixty-one".