55121123414 has 48 divisors (see below), whose sum is σ = 98707673376. Its totient is φ = 23010220800.

The previous prime is 55121123359. The next prime is 55121123417. The reversal of 55121123414 is 41432112155.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55121123417) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 570974 + ... + 660494.

It is an arithmetic number, because the mean of its divisors is an integer number (2056409862).

Almost surely, 2^55121123414 is an apocalyptic number.

55121123414 is a deficient number, since it is larger than the sum of its proper divisors (43586549962).

55121123414 is a wasteful number, since it uses less digits than its factorization.

55121123414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89701 (or 89694 counting only the distinct ones).

The product of its digits is 4800, while the sum is 29.

Adding to 55121123414 its reverse (41432112155), we get a palindrome (96553235569).

The spelling of 55121123414 in words is "fifty-five billion, one hundred twenty-one million, one hundred twenty-three thousand, four hundred fourteen".