55419461 has 2 divisors, whose sum is σ = 55419462. Its totient is φ = 55419460.

The previous prime is 55419437. The next prime is 55419521. The reversal of 55419461 is 16491455.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54671236 + 748225 = 7394^2 + 865^2 .

It is a cyclic number.

It is not a de Polignac number, because 55419461 - 2¹⁰ = 55418437 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 (55419431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27709730 + 27709731.

It is an arithmetic number, because the mean of its divisors is an integer number (27709731).

Almost surely, 2^55419461 is an apocalyptic number.

It is an amenable number.

55419461 is a deficient number, since it is larger than the sum of its proper divisors (1).

55419461 is an equidigital number, since it uses as much as digits as its factorization.

55419461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 35.

The square root of 55419461 is about 7444.4248266740. The cubic root of 55419461 is about 381.2595806604.

The spelling of 55419461 in words is "fifty-five million, four hundred nineteen thousand, four hundred sixty-one".