55450051354121 has 32 divisors (see below), whose sum is σ = 62133221383200. Its totient is φ = 49242479247360.

The previous prime is 55450051354073. The next prime is 55450051354151. The reversal of 55450051354121 is 12145315005455.

55450051354121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 16 ways, for example, as 3039978496 + 55447011375625 = 55136^2 + 7446275^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55450051354121 is a prime.

It is a super-2 number, since 2×55450051354121² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55450051354151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3144860 + ... + 10990461.

It is an arithmetic number, because the mean of its divisors is an integer number (1941663168225).

Almost surely, 2^{55450051354121} is an apocalyptic number.

It is an amenable number.

55450051354121 is a deficient number, since it is larger than the sum of its proper divisors (6683170029079).

55450051354121 is a wasteful number, since it uses less digits than its factorization.

55450051354121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14135549.

The product of its (nonzero) digits is 300000, while the sum is 41.

Adding to 55450051354121 its reverse (12145315005455), we get a palindrome (67595366359576).

The spelling of 55450051354121 in words is "fifty-five trillion, four hundred fifty billion, fifty-one million, three hundred fifty-four thousand, one hundred twenty-one".