55121200614 has 24 divisors (see below), whose sum is σ = 119436946200. Its totient is φ = 18372552288.

The previous prime is 55121200613. The next prime is 55121200649. The reversal of 55121200614 is 41600212155.

55121200614 is a `hidden beast` number, since 5 + 5 + 1 + 21 + 20 + 0 + 614 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55121200613) 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, 216562 + ... + 396410.

It is an arithmetic number, because the mean of its divisors is an integer number (4976539425).

Almost surely, 2^55121200614 is an apocalyptic number.

55121200614 is an abundant number, since it is smaller than the sum of its proper divisors (64315745586).

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

55121200614 is a wasteful number, since it uses less digits than its factorization.

55121200614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196884 (or 196881 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 55121200614 its reverse (41600212155), we get a palindrome (96721412769).

The spelling of 55121200614 in words is "fifty-five billion, one hundred twenty-one million, two hundred thousand, six hundred fourteen".