55260811 has 2 divisors, whose sum is σ = 55260812. Its totient is φ = 55260810.

The previous prime is 55260763. The next prime is 55260827. The reversal of 55260811 is 11806255.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55260811 - 2⁹ = 55260299 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55260811.

It is not a weakly prime, because it can be changed into another prime (55260841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27630405 + 27630406.

It is an arithmetic number, because the mean of its divisors is an integer number (27630406).

Almost surely, 2^55260811 is an apocalyptic number.

55260811 is a deficient number, since it is larger than the sum of its proper divisors (1).

55260811 is an equidigital number, since it uses as much as digits as its factorization.

55260811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 55260811 is about 7433.7615646455. The cubic root of 55260811 is about 380.8954207176.

The spelling of 55260811 in words is "fifty-five million, two hundred sixty thousand, eight hundred eleven".