55226851 has 2 divisors, whose sum is σ = 55226852. Its totient is φ = 55226850.

The previous prime is 55226813. The next prime is 55226869. The reversal of 55226851 is 15862255.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55226851 - 2⁷ = 55226723 is a prime.

It is not a weakly prime, because it can be changed into another prime (55226881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27613425 + 27613426.

It is an arithmetic number, because the mean of its divisors is an integer number (27613426).

Almost surely, 2^55226851 is an apocalyptic number.

55226851 is a deficient number, since it is larger than the sum of its proper divisors (1).

55226851 is an equidigital number, since it uses as much as digits as its factorization.

55226851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24000, while the sum is 34.

The square root of 55226851 is about 7431.4770402660. The cubic root of 55226851 is about 380.8173795229.

The spelling of 55226851 in words is "fifty-five million, two hundred twenty-six thousand, eight hundred fifty-one".