55250855638085 has 32 divisors (see below), whose sum is σ = 68309166240000. Its totient is φ = 42887706712576.

The previous prime is 55250855638081. The next prime is 55250855638087. The reversal of 55250855638085 is 58083655805255.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 55250855638085 - 2² = 55250855638081 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55250855638081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 483536 + ... + 10523094.

It is an arithmetic number, because the mean of its divisors is an integer number (2134661445000).

Almost surely, 2^{55250855638085} is an apocalyptic number.

It is an amenable number.

55250855638085 is a deficient number, since it is larger than the sum of its proper divisors (13058310601915).

55250855638085 is a wasteful number, since it uses less digits than its factorization.

55250855638085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10039885.

The product of its (nonzero) digits is 288000000, while the sum is 65.

The spelling of 55250855638085 in words is "fifty-five trillion, two hundred fifty billion, eight hundred fifty-five million, six hundred thirty-eight thousand, eighty-five".