55865461 has 2 divisors, whose sum is σ = 55865462. Its totient is φ = 55865460.

The previous prime is 55865419. The next prime is 55865531. The reversal of 55865461 is 16456855.

55865461 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 can be written as a sum of positive squares in only one way, i.e., 51480625 + 4384836 = 7175^2 + 2094^2 .

It is a cyclic number.

It is not a de Polignac number, because 55865461 - 2¹¹ = 55863413 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 (55860461) 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, 27932730 + 27932731.

It is an arithmetic number, because the mean of its divisors is an integer number (27932731).

Almost surely, 2^55865461 is an apocalyptic number.

It is an amenable number.

55865461 is a deficient number, since it is larger than the sum of its proper divisors (1).

55865461 is an equidigital number, since it uses as much as digits as its factorization.

55865461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144000, while the sum is 40.

The square root of 55865461 is about 7474.3201028589. The cubic root of 55865461 is about 382.2796053307.

The spelling of 55865461 in words is "fifty-five million, eight hundred sixty-five thousand, four hundred sixty-one".