55525697 has 2 divisors, whose sum is σ = 55525698. Its totient is φ = 55525696.

The previous prime is 55525669. The next prime is 55525739. The reversal of 55525697 is 79652555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44209201 + 11316496 = 6649^2 + 3364^2 .

It is a cyclic number.

It is not a de Polignac number, because 55525697 - 2⁸ = 55525441 is a prime.

It is a super-3 number, since 3×55525697³ (a number of 24 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55525627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27762848 + 27762849.

It is an arithmetic number, because the mean of its divisors is an integer number (27762849).

Almost surely, 2^55525697 is an apocalyptic number.

It is an amenable number.

55525697 is a deficient number, since it is larger than the sum of its proper divisors (1).

55525697 is an equidigital number, since it uses as much as digits as its factorization.

55525697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 472500, while the sum is 44.

The square root of 55525697 is about 7451.5566830026. The cubic root of 55525697 is about 381.5030429066.

The spelling of 55525697 in words is "fifty-five million, five hundred twenty-five thousand, six hundred ninety-seven".