55419011 has 2 divisors, whose sum is σ = 55419012. Its totient is φ = 55419010.

The previous prime is 55418989. The next prime is 55419037. The reversal of 55419011 is 11091455.

It is an a-pointer prime, because the next prime (55419037) can be obtained adding 55419011 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55419011 - 2²² = 51224707 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55419061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27709505 + 27709506.

It is an arithmetic number, because the mean of its divisors is an integer number (27709506).

Almost surely, 2^55419011 is an apocalyptic number.

55419011 is a deficient number, since it is larger than the sum of its proper divisors (1).

55419011 is an equidigital number, since it uses as much as digits as its factorization.

55419011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 55419011 is about 7444.3946026524. The cubic root of 55419011 is about 381.2585487289.

The spelling of 55419011 in words is "fifty-five million, four hundred nineteen thousand, eleven".