55021100214 has 32 divisors (see below), whose sum is σ = 113145348960. Its totient is φ = 17826502400.

The previous prime is 55021100209. The next prime is 55021100243. The reversal of 55021100214 is 41200112055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 349557 + ... + 481904.

It is an arithmetic number, because the mean of its divisors is an integer number (3535792155).

Almost surely, 2^55021100214 is an apocalyptic number.

55021100214 is an abundant number, since it is smaller than the sum of its proper divisors (58124248746).

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

55021100214 is a wasteful number, since it uses less digits than its factorization.

55021100214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831776.

The product of its (nonzero) digits is 400, while the sum is 21.

Adding to 55021100214 its reverse (41200112055), we get a palindrome (96221212269).

The spelling of 55021100214 in words is "fifty-five billion, twenty-one million, one hundred thousand, two hundred fourteen".