555000550505 has 4 divisors (see below), whose sum is σ = 666000660612. Its totient is φ = 444000440400.

The previous prime is 555000550463. The next prime is 555000550549. The reversal of 555000550505 is 505055000555.

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 143370521449 + 411630029056 = 378643^2 + 641584^2 .

It is not a de Polignac number, because 555000550505 - 2³⁰ = 553926808681 is a prime.

It is a super-2 number, since 2×555000550505² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55500055046 + ... + 55500055055.

It is an arithmetic number, because the mean of its divisors is an integer number (166500165153).

Almost surely, 2^555000550505 is an apocalyptic number.

It is an amenable number.

555000550505 is a deficient number, since it is larger than the sum of its proper divisors (111000110107).

555000550505 is a wasteful number, since it uses less digits than its factorization.

555000550505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111000110106.

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

The spelling of 555000550505 in words is "five hundred fifty-five billion, five hundred fifty thousand, five hundred five".