55032122057550 has 96 divisors (see below), whose sum is σ = 148895234380800. Its totient is φ = 13340374118400.

The previous prime is 55032122057543. The next prime is 55032122057579. The reversal of 55032122057550 is 5575022123055.

It is a super-6 number, since 6×55032122057550⁶ (a number of 84 digits) contains 666666 as substring.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 28856899 + ... + 30704801.

It is an arithmetic number, because the mean of its divisors is an integer number (1550992024800).

Almost surely, 2^{55032122057550} is an apocalyptic number.

55032122057550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55032122057550 is an abundant number, since it is smaller than the sum of its proper divisors (93863112323250).

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

55032122057550 is a wasteful number, since it uses less digits than its factorization.

55032122057550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1865978 (or 1865973 counting only the distinct ones).

The product of its (nonzero) digits is 525000, while the sum is 42.

The spelling of 55032122057550 in words is "fifty-five trillion, thirty-two billion, one hundred twenty-two million, fifty-seven thousand, five hundred fifty".