55550606064 has 40 divisors (see below), whose sum is σ = 145938040320. Its totient is φ = 18203022528.

The previous prime is 55550606039. The next prime is 55550606099. The reversal of 55550606064 is 46060605555.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9804832 + ... + 9810495.

It is an arithmetic number, because the mean of its divisors is an integer number (3648451008).

Almost surely, 2^55550606064 is an apocalyptic number.

It is an amenable number.

55550606064 is an abundant number, since it is smaller than the sum of its proper divisors (90387434256).

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

55550606064 is a wasteful number, since it uses less digits than its factorization.

55550606064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19615397 (or 19615391 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 42.

The spelling of 55550606064 in words is "fifty-five billion, five hundred fifty million, six hundred six thousand, sixty-four".