550534545 has 48 divisors (see below), whose sum is σ = 1102263552. Its totient is φ = 251220480.

The previous prime is 550534529. The next prime is 550534553. The reversal of 550534545 is 545435055.

550534545 is a `hidden beast` number, since 550 + 53 + 4 + 54 + 5 = 666.

It is not a de Polignac number, because 550534545 - 2⁴ = 550534529 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24297 + ... + 41126.

It is an arithmetic number, because the mean of its divisors is an integer number (22963824).

Almost surely, 2^550534545 is an apocalyptic number.

550534545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

550534545 is an abundant number, since it is smaller than the sum of its proper divisors (551729007).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550534545 is a wasteful number, since it uses less digits than its factorization.

550534545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65462 (or 65459 counting only the distinct ones).

The product of its (nonzero) digits is 150000, while the sum is 36.

The square root of 550534545 is about 23463.4725690806. The cubic root of 550534545 is about 819.5866174366.

It can be divided in two parts, 550 and 534545, that added together give a triangular number (535095 = T₁₀₃₄).

The spelling of 550534545 in words is "five hundred fifty million, five hundred thirty-four thousand, five hundred forty-five".