550555011 has 12 divisors (see below), whose sum is σ = 814642920. Its totient is φ = 358084320.

The previous prime is 550555007. The next prime is 550555021. The reversal of 550555011 is 110555055.

550555011 is a `hidden beast` number, since 550 + 55 + 50 + 11 = 666.

It is not a de Polignac number, because 550555011 - 2² = 550555007 is a prime.

It is a super-2 number, since 2×550555011² = 606221640274420242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (550555021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 745641 + ... + 746378.

It is an arithmetic number, because the mean of its divisors is an integer number (67886910).

Almost surely, 2^550555011 is an apocalyptic number.

550555011 is a deficient number, since it is larger than the sum of its proper divisors (264087909).

550555011 is a wasteful number, since it uses less digits than its factorization.

550555011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492066 (or 1492063 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 27.

The square root of 550555011 is about 23463.9086897303. The cubic root of 550555011 is about 819.5967732946.

It can be divided in two parts, 5505 and 55011, that added together give a square (60516 = 246²).

The spelling of 550555011 in words is "five hundred fifty million, five hundred fifty-five thousand, eleven".