55144150252212 has 48 divisors (see below), whose sum is σ = 147051582766592. Its totient is φ = 15755416276320.

The previous prime is 55144150252207. The next prime is 55144150252229. The reversal of 55144150252212 is 21225205144155.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27046383 + ... + 29013705.

Almost surely, 2^{55144150252212} is an apocalyptic number.

It is an amenable number.

55144150252212 is an abundant number, since it is smaller than the sum of its proper divisors (91907432514380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55144150252212 is a wasteful number, since it uses less digits than its factorization.

55144150252212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2301028 (or 2301026 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 39.

Adding to 55144150252212 its reverse (21225205144155), we get a palindrome (76369355396367).

The spelling of 55144150252212 in words is "fifty-five trillion, one hundred forty-four billion, one hundred fifty million, two hundred fifty-two thousand, two hundred twelve".