55007221060 has 24 divisors (see below), whose sum is σ = 126016543296. Its totient is φ = 20002625760.

The previous prime is 55007221039. The next prime is 55007221111. The reversal of 55007221060 is 6012270055.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 125016192 + ... + 125016631.

It is an arithmetic number, because the mean of its divisors is an integer number (5250689304).

Almost surely, 2^55007221060 is an apocalyptic number.

It is an amenable number.

55007221060 is an abundant number, since it is smaller than the sum of its proper divisors (71009322236).

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

55007221060 is a wasteful number, since it uses less digits than its factorization.

55007221060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250032843 (or 250032841 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The spelling of 55007221060 in words is "fifty-five billion, seven million, two hundred twenty-one thousand, sixty".