55044811 has 2 divisors, whose sum is σ = 55044812. Its totient is φ = 55044810.

The previous prime is 55044791. The next prime is 55044833. The reversal of 55044811 is 11844055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55044811 - 2⁷ = 55044683 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55044811.

It is not a weakly prime, because it can be changed into another prime (55044841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27522405 + 27522406.

It is an arithmetic number, because the mean of its divisors is an integer number (27522406).

Almost surely, 2^55044811 is an apocalyptic number.

55044811 is a deficient number, since it is larger than the sum of its proper divisors (1).

55044811 is an equidigital number, since it uses as much as digits as its factorization.

55044811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 55044811 is about 7419.2190289814. The cubic root of 55044811 is about 380.3984993139.

Adding to 55044811 its reverse (11844055), we get a palindrome (66888866).

It can be divided in two parts, 55044 and 811, that added together give a palindrome (55855).

The spelling of 55044811 in words is "fifty-five million, forty-four thousand, eight hundred eleven".