55522267 has 4 divisors (see below), whose sum is σ = 56282920. Its totient is φ = 54761616.

The previous prime is 55522249. The next prime is 55522273. The reversal of 55522267 is 76222555.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76222555 = 5 ⋅15244511.

It is a cyclic number.

It is not a de Polignac number, because 55522267 - 2²³ = 47133659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55522277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380217 + ... + 380362.

It is an arithmetic number, because the mean of its divisors is an integer number (14070730).

Almost surely, 2^55522267 is an apocalyptic number.

55522267 is a deficient number, since it is larger than the sum of its proper divisors (760653).

55522267 is an equidigital number, since it uses as much as digits as its factorization.

55522267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760652.

The product of its digits is 42000, while the sum is 34.

The square root of 55522267 is about 7451.3265261965. The cubic root of 55522267 is about 381.4951871902.

It can be divided in two parts, 555 and 22267, that added together give a palindrome (22822).

The spelling of 55522267 in words is "fifty-five million, five hundred twenty-two thousand, two hundred sixty-seven".