29955205519806 has 24 divisors (see below), whose sum is σ = 69691702638600. Its totient is φ = 8558630148432.

The previous prime is 29955205519769. The next prime is 29955205519807. The reversal of 29955205519806 is 60891550255992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29955205519807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50944226781 + ... + 50944227368.

It is an arithmetic number, because the mean of its divisors is an integer number (2903820943275).

Almost surely, 2^{29955205519806} is an apocalyptic number.

29955205519806 is an abundant number, since it is smaller than the sum of its proper divisors (39736497118794).

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

29955205519806 is a wasteful number, since it uses less digits than its factorization.

29955205519806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101888454168 (or 101888454161 counting only the distinct ones).

The product of its (nonzero) digits is 87480000, while the sum is 66.

The spelling of 29955205519806 in words is "twenty-nine trillion, nine hundred fifty-five billion, two hundred five million, five hundred nineteen thousand, eight hundred six".