555401461 has 2 divisors, whose sum is σ = 555401462. Its totient is φ = 555401460.

The previous prime is 555401453. The next prime is 555401479. The reversal of 555401461 is 164104555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 336539025 + 218862436 = 18345^2 + 14794^2 .

It is a cyclic number.

It is not a de Polignac number, because 555401461 - 2³ = 555401453 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 (555401411) 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, 277700730 + 277700731.

It is an arithmetic number, because the mean of its divisors is an integer number (277700731).

Almost surely, 2^555401461 is an apocalyptic number.

It is an amenable number.

555401461 is a deficient number, since it is larger than the sum of its proper divisors (1).

555401461 is an equidigital number, since it uses as much as digits as its factorization.

555401461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 555401461 is about 23566.9569736952. The cubic root of 555401461 is about 821.9946784444.

The spelling of 555401461 in words is "five hundred fifty-five million, four hundred one thousand, four hundred sixty-one".