55065026523220 has 48 divisors (see below), whose sum is σ = 132174048988800. Its totient is φ = 18876868331904.

The previous prime is 55065026523211. The next prime is 55065026523223. The reversal of 55065026523220 is 2232562056055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55065026523223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25731354 + ... + 27789073.

It is an arithmetic number, because the mean of its divisors is an integer number (2753626020600).

Almost surely, 2^{55065026523220} is an apocalyptic number.

It is an amenable number.

55065026523220 is an abundant number, since it is smaller than the sum of its proper divisors (77109022465580).

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

55065026523220 is a wasteful number, since it uses less digits than its factorization.

55065026523220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53527792 (or 53527790 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 43.

Adding to 55065026523220 its reverse (2232562056055), we get a palindrome (57297588579275).

The spelling of 55065026523220 in words is "fifty-five trillion, sixty-five billion, twenty-six million, five hundred twenty-three thousand, two hundred twenty".