550027555 has 32 divisors (see below), whose sum is σ = 824279040. Its totient is φ = 342299520.

The previous prime is 550027553. The next prime is 550027567. The reversal of 550027555 is 555720055.

It is not a de Polignac number, because 550027555 - 2¹ = 550027553 is a prime.

It is a super-2 number, since 2×550027555² = 605060622518556050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 550027555.

It is not an unprimeable number, because it can be changed into a prime (550027553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 429406 + ... + 430684.

It is an arithmetic number, because the mean of its divisors is an integer number (25758720).

Almost surely, 2^550027555 is an apocalyptic number.

550027555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

550027555 is a deficient number, since it is larger than the sum of its proper divisors (274251485).

550027555 is a wasteful number, since it uses less digits than its factorization.

550027555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2419.

The product of its (nonzero) digits is 43750, while the sum is 34.

The square root of 550027555 is about 23452.6662663331. Note that the first 3 decimals coincide. The cubic root of 550027555 is about 819.3349530374.

The spelling of 550027555 in words is "five hundred fifty million, twenty-seven thousand, five hundred fifty-five".