55003520000 has 440 divisors, whose sum is σ = 161686831152. Its totient is φ = 18432000000.

The previous prime is 55003519997. The next prime is 55003520053. The reversal of 55003520000 is 2530055.

It is a tau number, because it is divible by the number of its divisors (440).

It is a super-3 number, since 3×55003520000³ (a number of 33 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 91519700 + ... + 91520300.

Almost surely, 2^55003520000 is an apocalyptic number.

55003520000 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 55003520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80843415576).

55003520000 is an abundant number, since it is smaller than the sum of its proper divisors (106683311152).

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

55003520000 is a wasteful number, since it uses less digits than its factorization.

55003520000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665 (or 632 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 20.

The spelling of 55003520000 in words is "fifty-five billion, three million, five hundred twenty thousand".