55031204305536 has 64 divisors (see below), whose sum is σ = 146177422351680. Its totient is φ = 18343636144128.

The previous prime is 55031204305523. The next prime is 55031204305577. The reversal of 55031204305536 is 63550340213055.

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

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 120262005 + ... + 120718731.

It is an arithmetic number, because the mean of its divisors is an integer number (2284022224245).

Almost surely, 2^{55031204305536} is an apocalyptic number.

It is an amenable number.

55031204305536 is an abundant number, since it is smaller than the sum of its proper divisors (91146218046144).

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

55031204305536 is a wasteful number, since it uses less digits than its factorization.

55031204305536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770521 (or 770509 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 42.

The spelling of 55031204305536 in words is "fifty-five trillion, thirty-one billion, two hundred four million, three hundred five thousand, five hundred thirty-six".