55066516122 has 16 divisors (see below), whose sum is σ = 112694266080. Its totient is φ = 17928633072.

The previous prime is 55066516121. The next prime is 55066516133. The reversal of 55066516122 is 22161566055.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (55066516121) 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 7 ways as a sum of consecutive naturals, for example, 106717797 + ... + 106718312.

It is an arithmetic number, because the mean of its divisors is an integer number (7043391630).

Almost surely, 2^55066516122 is an apocalyptic number.

55066516122 is an abundant number, since it is smaller than the sum of its proper divisors (57627749958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55066516122 is a wasteful number, since it uses less digits than its factorization.

55066516122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213436157.

The product of its (nonzero) digits is 108000, while the sum is 39.

The spelling of 55066516122 in words is "fifty-five billion, sixty-six million, five hundred sixteen thousand, one hundred twenty-two".