55416554000 has 80 divisors (see below), whose sum is σ = 134060013360. Its totient is φ = 22156236800.

The previous prime is 55416553991. The next prime is 55416554033. The reversal of 55416554000 is 45561455.

It can be written as a sum of positive squares in 8 ways, for example, as 9476633104 + 45939920896 = 97348^2 + 214336^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5380856 + ... + 5391144.

It is an arithmetic number, because the mean of its divisors is an integer number (1675750167).

Almost surely, 2^55416554000 is an apocalyptic number.

55416554000 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 55416554000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67030006680).

55416554000 is an abundant number, since it is smaller than the sum of its proper divisors (78643459360).

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

55416554000 is a wasteful number, since it uses less digits than its factorization.

55416554000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13005 (or 12989 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 55416554000 in words is "fifty-five billion, four hundred sixteen million, five hundred fifty-four thousand".