55151145442241 has 4 divisors (see below), whose sum is σ = 55241114685012. Its totient is φ = 55061176199472.

The previous prime is 55151145442181. The next prime is 55151145442249. The reversal of 55151145442241 is 14224454115155.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1467623217025 + 53683522225216 = 1211455^2 + 7326904^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55151145442241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55151145442192 and 55151145442201.

It is not an unprimeable number, because it can be changed into a prime (55151145442249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44984620466 + ... + 44984621691.

It is an arithmetic number, because the mean of its divisors is an integer number (13810278671253).

Almost surely, 2^{55151145442241} is an apocalyptic number.

It is an amenable number.

55151145442241 is a deficient number, since it is larger than the sum of its proper divisors (89969242771).

55151145442241 is an equidigital number, since it uses as much as digits as its factorization.

55151145442241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89969242770.

The product of its digits is 640000, while the sum is 44.

Adding to 55151145442241 its reverse (14224454115155), we get a palindrome (69375599557396).

The spelling of 55151145442241 in words is "fifty-five trillion, one hundred fifty-one billion, one hundred forty-five million, four hundred forty-two thousand, two hundred forty-one".