55550505505504 has 48 divisors (see below), whose sum is σ = 109611950217840. Its totient is φ = 27712581811200.

The previous prime is 55550505505471. The next prime is 55550505505507. The reversal of 55550505505504 is 40550550505555.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55550505505507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55419979 + ... + 56413429.

It is an arithmetic number, because the mean of its divisors is an integer number (2283582296205).

Almost surely, 2^{55550505505504} is an apocalyptic number.

It is an amenable number.

55550505505504 is a deficient number, since it is larger than the sum of its proper divisors (54061444712336).

55550505505504 is a wasteful number, since it uses less digits than its factorization.

55550505505504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997403 (or 997395 counting only the distinct ones).

The product of its (nonzero) digits is 7812500, while the sum is 49.

The spelling of 55550505505504 in words is "fifty-five trillion, five hundred fifty billion, five hundred five million, five hundred five thousand, five hundred four".