550554873 has 16 divisors (see below), whose sum is σ = 801294336. Its totient is φ = 333466640.

The previous prime is 550554859. The next prime is 550554889. The reversal of 550554873 is 378455055.

It is a cyclic number.

It is not a de Polignac number, because 550554873 - 2²⁵ = 517000441 is a prime.

It is a super-2 number, since 2×550554873² = 606221336368092258, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (550554833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64036 + ... + 72122.

It is an arithmetic number, because the mean of its divisors is an integer number (50080896).

Almost surely, 2^550554873 is an apocalyptic number.

It is an amenable number.

550554873 is a deficient number, since it is larger than the sum of its proper divisors (250739463).

550554873 is a wasteful number, since it uses less digits than its factorization.

550554873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10164.

The product of its (nonzero) digits is 420000, while the sum is 42.

The square root of 550554873 is about 23463.9057490436. The cubic root of 550554873 is about 819.5967048156.

It can be divided in two parts, 5505 and 54873, that added together give a triangular number (60378 = T₃₄₇).

The spelling of 550554873 in words is "five hundred fifty million, five hundred fifty-four thousand, eight hundred seventy-three".