55050005555040 has 96 divisors (see below), whose sum is σ = 173411216133120. Its totient is φ = 14679688369664.

The previous prime is 55050005555003. The next prime is 55050005555053. The reversal of 55050005555040 is 4055550005055.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×55050005555040² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55050005555040.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21753937 + ... + 24152303.

It is an arithmetic number, because the mean of its divisors is an integer number (1806366834720).

Almost surely, 2^{55050005555040} is an apocalyptic number.

It is an amenable number.

55050005555040 is an abundant number, since it is smaller than the sum of its proper divisors (118361210578080).

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

55050005555040 is a wasteful number, since it uses less digits than its factorization.

55050005555040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2446204 (or 2446196 counting only the distinct ones).

The product of its (nonzero) digits is 312500, while the sum is 39.

The spelling of 55050005555040 in words is "fifty-five trillion, fifty billion, five million, five hundred fifty-five thousand, forty".