55086419 has 2 divisors, whose sum is σ = 55086420. Its totient is φ = 55086418.

The previous prime is 55086407. The next prime is 55086431. The reversal of 55086419 is 91468055.

It is a balanced prime because it is at equal distance from previous prime (55086407) and next prime (55086431).

It is a cyclic number.

It is not a de Polignac number, because 55086419 - 2¹⁶ = 55020883 is a prime.

It is a super-2 number, since 2×55086419² = 6069027116487122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55086319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27543209 + 27543210.

It is an arithmetic number, because the mean of its divisors is an integer number (27543210).

Almost surely, 2^55086419 is an apocalyptic number.

55086419 is a deficient number, since it is larger than the sum of its proper divisors (1).

55086419 is an equidigital number, since it uses as much as digits as its factorization.

55086419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 55086419 is about 7422.0225680066. The cubic root of 55086419 is about 380.4943220575.

The spelling of 55086419 in words is "fifty-five million, eighty-six thousand, four hundred nineteen".