550055000555 has 4 divisors (see below), whose sum is σ = 660066000672. Its totient is φ = 440044000440.

The previous prime is 550055000531. The next prime is 550055000557. The reversal of 550055000555 is 555000550055.

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

It is a de Polignac number, because none of the positive numbers 2^k-550055000555 is a prime.

It is a super-2 number, since 2×550055000555² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (550055000557) 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, 55005500051 + ... + 55005500060.

It is an arithmetic number, because the mean of its divisors is an integer number (165016500168).

Almost surely, 2^550055000555 is an apocalyptic number.

550055000555 is a deficient number, since it is larger than the sum of its proper divisors (110011000117).

550055000555 is a wasteful number, since it uses less digits than its factorization.

550055000555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110011000116.

The product of its (nonzero) digits is 78125, while the sum is 35.

The spelling of 550055000555 in words is "five hundred fifty billion, fifty-five million, five hundred fifty-five", and thus it is an aban number.