55100145144 has 64 divisors (see below), whose sum is σ = 154334586240. Its totient is φ = 16245740160.

The previous prime is 55100145131. The next prime is 55100145167. The reversal of 55100145144 is 44154100155.

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, 2810674 + ... + 2830209.

It is an arithmetic number, because the mean of its divisors is an integer number (2411477910).

Almost surely, 2^55100145144 is an apocalyptic number.

It is an amenable number.

55100145144 is an abundant number, since it is smaller than the sum of its proper divisors (99234441096).

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

55100145144 is a wasteful number, since it uses less digits than its factorization.

55100145144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5640940 (or 5640936 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

Adding to 55100145144 its reverse (44154100155), we get a palindrome (99254245299).

The spelling of 55100145144 in words is "fifty-five billion, one hundred million, one hundred forty-five thousand, one hundred forty-four".