55550050100 has 36 divisors (see below), whose sum is σ = 124432119168. Its totient is φ = 21503244000.

The previous prime is 55550050097. The next prime is 55550050103. The reversal of 55550050100 is 105005555.

It is an interprime number because it is at equal distance from previous prime (55550050097) and next prime (55550050103).

It is a super-2 number, since 2×55550050100² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55550050100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55550050103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8956586 + ... + 8962785.

Almost surely, 2^55550050100 is an apocalyptic number.

55550050100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55550050100 is an abundant number, since it is smaller than the sum of its proper divisors (68882069068).

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

55550050100 is a wasteful number, since it uses less digits than its factorization.

55550050100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17919416 (or 17919409 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 26.

Adding to 55550050100 its reverse (105005555), we get a palindrome (55655055655).

The spelling of 55550050100 in words is "fifty-five billion, five hundred fifty million, fifty thousand, one hundred".