555461 has 2 divisors, whose sum is σ = 555462. Its totient is φ = 555460.

The previous prime is 555439. The next prime is 555487. The reversal of 555461 is 164555.

555461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (555487) can be obtained adding 555461 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 390625 + 164836 = 625^2 + 406^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-555461 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 555461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (555421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277730 + 277731.

It is an arithmetic number, because the mean of its divisors is an integer number (277731).

2⁵⁵⁵⁴⁶¹ is an apocalyptic number.

It is an amenable number.

555461 is a deficient number, since it is larger than the sum of its proper divisors (1).

555461 is an equidigital number, since it uses as much as digits as its factorization.

555461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3000, while the sum is 26.

The square root of 555461 is about 745.2925600058. The cubic root of 555461 is about 82.2024049987.

The spelling of 555461 in words is "five hundred fifty-five thousand, four hundred sixty-one".