55300100520 has 192 divisors, whose sum is σ = 193150163520. Its totient is φ = 12629277696.

The previous prime is 55300100503. The next prime is 55300100521. The reversal of 55300100520 is 2500100355.

It is a super-2 number, since 2×55300100520² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (55300100521) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 8422759 + ... + 8429321.

It is an arithmetic number, because the mean of its divisors is an integer number (1005990435).

Almost surely, 2^55300100520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55300100520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96575081760).

55300100520 is an abundant number, since it is smaller than the sum of its proper divisors (137850063000).

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

55300100520 is a wasteful number, since it uses less digits than its factorization.

55300100520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8024 (or 8013 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 21.

Adding to 55300100520 its reverse (2500100355), we get a palindrome (57800200875).

The spelling of 55300100520 in words is "fifty-five billion, three hundred million, one hundred thousand, five hundred twenty".