551005105 has 32 divisors (see below), whose sum is σ = 808448256. Its totient is φ = 351903744.

The previous prime is 551005097. The next prime is 551005123. The reversal of 551005105 is 501500155.

It is a cyclic number.

It is not a de Polignac number, because 551005105 - 2³ = 551005097 is a prime.

It is a super-2 number, since 2×551005105² = 607213251472122050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52942 + ... + 62488.

It is an arithmetic number, because the mean of its divisors is an integer number (25264008).

Almost surely, 2^551005105 is an apocalyptic number.

It is an amenable number.

551005105 is a deficient number, since it is larger than the sum of its proper divisors (257443151).

551005105 is a wasteful number, since it uses less digits than its factorization.

551005105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9673.

The product of its (nonzero) digits is 625, while the sum is 22.

The square root of 551005105 is about 23473.4979285150. The cubic root of 551005105 is about 819.8200601602.

The spelling of 551005105 in words is "five hundred fifty-one million, five thousand, one hundred five".