55505056060000 has 120 divisors (see below), whose sum is σ = 143737646948280. Its totient is φ = 21033494784000.

The previous prime is 55505056059989. The next prime is 55505056060001. The reversal of 55505056060000 is 6065050555.

It is a super-2 number, since 2×55505056060000² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55505056060001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 72652969 + ... + 73412968.

It is an arithmetic number, because the mean of its divisors is an integer number (1197813724569).

Almost surely, 2^{55505056060000} is an apocalyptic number.

55505056060000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55505056060000 is an abundant number, since it is smaller than the sum of its proper divisors (88232590888280).

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

55505056060000 is a wasteful number, since it uses less digits than its factorization.

55505056060000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146065986 (or 146065963 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 37.

The spelling of 55505056060000 in words is "fifty-five trillion, five hundred five billion, fifty-six million, sixty thousand".