55248811 has 2 divisors, whose sum is σ = 55248812. Its totient is φ = 55248810.

The previous prime is 55248779. The next prime is 55248821. The reversal of 55248811 is 11884255.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55248811 - 2⁵ = 55248779 is a prime.

It is a super-2 number, since 2×55248811² = 6104862233827442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55248821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27624405 + 27624406.

It is an arithmetic number, because the mean of its divisors is an integer number (27624406).

Almost surely, 2^55248811 is an apocalyptic number.

55248811 is a deficient number, since it is larger than the sum of its proper divisors (1).

55248811 is an equidigital number, since it uses as much as digits as its factorization.

55248811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12800, while the sum is 34.

The square root of 55248811 is about 7432.9543924337. The cubic root of 55248811 is about 380.8678479775.

The spelling of 55248811 in words is "fifty-five million, two hundred forty-eight thousand, eight hundred eleven".