55202003500 has 144 divisors (see below), whose sum is σ = 142342068960. Its totient is φ = 18643363200.

The previous prime is 55202003477. The next prime is 55202003513. The reversal of 55202003500 is 530020255.

It is a super-2 number, since 2×55202003500² (a number of 22 digits) contains 22 as substring.

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, 1624686 + ... + 1658314.

It is an arithmetic number, because the mean of its divisors is an integer number (988486590).

Almost surely, 2^55202003500 is an apocalyptic number.

55202003500 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 55202003500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71171034480).

55202003500 is an abundant number, since it is smaller than the sum of its proper divisors (87140065460).

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

55202003500 is a wasteful number, since it uses less digits than its factorization.

55202003500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33729 (or 33710 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 22.

Adding to 55202003500 its reverse (530020255), we get a palindrome (55732023755).

The spelling of 55202003500 in words is "fifty-five billion, two hundred two million, three thousand, five hundred".