55144150252213 has 16 divisors (see below), whose sum is σ = 63776130670080. Its totient is φ = 47202728270400.

The previous prime is 55144150252207. The next prime is 55144150252229. The reversal of 55144150252213 is 31225205144155.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55144150252213 is a prime.

It is a super-2 number, since 2×55144150252213² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55144150252613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2185298878 + ... + 2185324111.

It is an arithmetic number, because the mean of its divisors is an integer number (3986008166880).

Almost surely, 2^{55144150252213} is an apocalyptic number.

It is an amenable number.

55144150252213 is a deficient number, since it is larger than the sum of its proper divisors (8631980417867).

55144150252213 is a wasteful number, since it uses less digits than its factorization.

55144150252213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4370623068.

The product of its (nonzero) digits is 240000, while the sum is 40.

Adding to 55144150252213 its reverse (31225205144155), we get a palindrome (86369355396368).

The spelling of 55144150252213 in words is "fifty-five trillion, one hundred forty-four billion, one hundred fifty million, two hundred fifty-two thousand, two hundred thirteen".