55000550505505 has 32 divisors (see below), whose sum is σ = 73136219950080. Its totient is φ = 39373598330880.

The previous prime is 55000550505503. The next prime is 55000550505529. The reversal of 55000550505505 is 50550505500055.

It is not a de Polignac number, because 55000550505505 - 2¹ = 55000550505503 is a prime.

It is a super-2 number, since 2×55000550505505² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55000550505503) 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, 24101392 + ... + 26284561.

It is an arithmetic number, because the mean of its divisors is an integer number (2285506873440).

Almost surely, 2^{55000550505505} is an apocalyptic number.

55000550505505 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55000550505505 is a deficient number, since it is larger than the sum of its proper divisors (18135669444575).

55000550505505 is a wasteful number, since it uses less digits than its factorization.

55000550505505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50386281.

The product of its (nonzero) digits is 390625, while the sum is 40.

The spelling of 55000550505505 in words is "fifty-five trillion, five hundred fifty million, five hundred five thousand, five hundred five".