550005525 has 24 divisors (see below), whose sum is σ = 1010381760. Its totient is φ = 293335920.

The previous prime is 550005517. The next prime is 550005527. The reversal of 550005525 is 525500055.

It is a happy number.

It is not a de Polignac number, because 550005525 - 2³ = 550005517 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550005527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 406737 + ... + 408086.

It is an arithmetic number, because the mean of its divisors is an integer number (42099240).

Almost surely, 2^550005525 is an apocalyptic number.

It is an amenable number.

550005525 is a deficient number, since it is larger than the sum of its proper divisors (460376235).

550005525 is a wasteful number, since it uses less digits than its factorization.

550005525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814842 (or 814831 counting only the distinct ones).

The product of its (nonzero) digits is 6250, while the sum is 27.

The square root of 550005525 is about 23452.1965922171. The cubic root of 550005525 is about 819.3240140763.

The spelling of 550005525 in words is "five hundred fifty million, five thousand, five hundred twenty-five".