55205131240320 has 64 divisors (see below), whose sum is σ = 175966355834640. Its totient is φ = 14721368330240.

The previous prime is 55205131240291. The next prime is 55205131240373. The reversal of 55205131240320 is 2304213150255.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14376334341 + ... + 14376338180.

Almost surely, 2^{55205131240320} is an apocalyptic number.

It is an amenable number.

55205131240320 is an abundant number, since it is smaller than the sum of its proper divisors (120761224594320).

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

55205131240320 is a wasteful number, since it uses less digits than its factorization.

55205131240320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28752672543 (or 28752672531 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 55205131240320 its reverse (2304213150255), we get a palindrome (57509344390575).

The spelling of 55205131240320 in words is "fifty-five trillion, two hundred five billion, one hundred thirty-one million, two hundred forty thousand, three hundred twenty".