55220196700 has 18 divisors (see below), whose sum is σ = 119827827056. Its totient is φ = 22088078640.

The previous prime is 55220196697. The next prime is 55220196743. The reversal of 55220196700 is 769102255.

It is a self number, because there is not a number n which added to its sum of digits gives 55220196700.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 276100884 + ... + 276101083.

Almost surely, 2^55220196700 is an apocalyptic number.

55220196700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55220196700 is an abundant number, since it is smaller than the sum of its proper divisors (64607630356).

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

55220196700 is a wasteful number, since it uses less digits than its factorization.

55220196700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552201981 (or 552201974 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 37.

Adding to 55220196700 its reverse (769102255), we get a palindrome (55989298955).

The spelling of 55220196700 in words is "fifty-five billion, two hundred twenty million, one hundred ninety-six thousand, seven hundred".