55980288000 has 1536 divisors, whose sum is σ = 257572224000. Its totient is φ = 11678515200.

The previous prime is 55980287959. The next prime is 55980288061. The reversal of 55980288000 is 88208955.

It is a tau number, because it is divible by the number of its divisors (1536).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 628991956 + ... + 628992044.

It is an arithmetic number, because the mean of its divisors is an integer number (167690250).

Almost surely, 2^55980288000 is an apocalyptic number.

55980288000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55980288000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128786112000).

55980288000 is an abundant number, since it is smaller than the sum of its proper divisors (201591936000).

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

55980288000 is a wasteful number, since it uses less digits than its factorization.

55980288000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 45.

The spelling of 55980288000 in words is "fifty-five billion, nine hundred eighty million, two hundred eighty-eight thousand".