55252811 has 2 divisors, whose sum is σ = 55252812. Its totient is φ = 55252810.

The previous prime is 55252793. The next prime is 55252843. The reversal of 55252811 is 11825255.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55252811 - 2¹⁴ = 55236427 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (55252861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27626405 + 27626406.

It is an arithmetic number, because the mean of its divisors is an integer number (27626406).

Almost surely, 2^55252811 is an apocalyptic number.

55252811 is a deficient number, since it is larger than the sum of its proper divisors (1).

55252811 is an equidigital number, since it uses as much as digits as its factorization.

55252811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4000, while the sum is 29.

The square root of 55252811 is about 7433.2234595766. The cubic root of 55252811 is about 380.8770393344.

The spelling of 55252811 in words is "fifty-five million, two hundred fifty-two thousand, eight hundred eleven".