55522452011 has 12 divisors (see below), whose sum is σ = 60162011280. Its totient is φ = 51217339680.

The previous prime is 55522451993. The next prime is 55522452043. The reversal of 55522452011 is 11025422555.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-55522452011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55522452311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146645 + ... + 364073.

It is an arithmetic number, because the mean of its divisors is an integer number (5013500940).

Almost surely, 2^55522452011 is an apocalyptic number.

55522452011 is a deficient number, since it is larger than the sum of its proper divisors (4639559269).

55522452011 is a wasteful number, since it uses less digits than its factorization.

55522452011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218966 (or 218953 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 32.

Adding to 55522452011 its reverse (11025422555), we get a palindrome (66547874566).

The spelling of 55522452011 in words is "fifty-five billion, five hundred twenty-two million, four hundred fifty-two thousand, eleven".