55121241203 has 8 divisors (see below), whose sum is σ = 63004967520. Its totient is φ = 47239830720.

The previous prime is 55121241199. The next prime is 55121241211. The reversal of 55121241203 is 30214212155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55121241203 - 2² = 55121241199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55121241103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 527648 + ... + 623421.

It is an arithmetic number, because the mean of its divisors is an integer number (7875620940).

Almost surely, 2^55121241203 is an apocalyptic number.

55121241203 is a deficient number, since it is larger than the sum of its proper divisors (7883726317).

55121241203 is a wasteful number, since it uses less digits than its factorization.

55121241203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157917.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 55121241203 its reverse (30214212155), we get a palindrome (85335453358).

The spelling of 55121241203 in words is "fifty-five billion, one hundred twenty-one million, two hundred forty-one thousand, two hundred three".