55500500554997 has 4 divisors (see below), whose sum is σ = 55500525708300. Its totient is φ = 55500475401696.

The previous prime is 55500500554921. The next prime is 55500500555009. The reversal of 55500500554997 is 79945500500555.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34175260013521 + 21325240541476 = 5845961^2 + 4617926^2 .

It is a cyclic number.

It is not a de Polignac number, because 55500500554997 - 2¹⁰ = 55500500553973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55500500754997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8910728 + ... + 13798625.

It is an arithmetic number, because the mean of its divisors is an integer number (13875131427075).

Almost surely, 2^{55500500554997} is an apocalyptic number.

It is an amenable number.

55500500554997 is a deficient number, since it is larger than the sum of its proper divisors (25153303).

55500500554997 is a wasteful number, since it uses less digits than its factorization.

55500500554997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25153302.

The product of its (nonzero) digits is 35437500, while the sum is 59.

The spelling of 55500500554997 in words is "fifty-five trillion, five hundred billion, five hundred million, five hundred fifty-four thousand, nine hundred ninety-seven".