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BaseRepresentation
bin10000000001011111010…
…00101011001001000001
31221122002010101002021211
420000233220223021001
533010014040134010
61100531012250121
754530160222061
oct10005750531101
91848063332254
10550555005505
111a2541a4738a
128a84b910941
133cbbcb9140b
141c90b5473a1
15e4c40a908a
hex802fa2b241

550555005505 has 8 divisors (see below), whose sum is σ = 661929233472. Its totient is φ = 439601853168.

The previous prime is 550555005499. The next prime is 550555005509. The reversal of 550555005505 is 505500555055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-550555005505 is a prime.

It is a super-2 number, since 2×5505550055052 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550555005509) 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, 105266029 + ... + 105271258.

It is an arithmetic number, because the mean of its divisors is an integer number (82741154184).

Almost surely, 2550555005505 is an apocalyptic number.

It is an amenable number.

550555005505 is a deficient number, since it is larger than the sum of its proper divisors (111374227967).

550555005505 is a wasteful number, since it uses less digits than its factorization.

550555005505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210537815.

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

The spelling of 550555005505 in words is "five hundred fifty billion, five hundred fifty-five million, five thousand, five hundred five".