55224571 has 2 divisors, whose sum is σ = 55224572. Its totient is φ = 55224570.

The previous prime is 55224529. The next prime is 55224623. The reversal of 55224571 is 17542255.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55224571 - 2¹⁷ = 55093499 is a prime.

It is not a weakly prime, because it can be changed into another prime (55224511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27612285 + 27612286.

It is an arithmetic number, because the mean of its divisors is an integer number (27612286).

Almost surely, 2^55224571 is an apocalyptic number.

55224571 is a deficient number, since it is larger than the sum of its proper divisors (1).

55224571 is an equidigital number, since it uses as much as digits as its factorization.

55224571 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14000, while the sum is 31.

The square root of 55224571 is about 7431.3236371457. The cubic root of 55224571 is about 380.8121388621.

The spelling of 55224571 in words is "fifty-five million, two hundred twenty-four thousand, five hundred seventy-one".