550636545 has 16 divisors (see below), whose sum is σ = 932843520. Its totient is φ = 276397824.

The previous prime is 550636529. The next prime is 550636561. The reversal of 550636545 is 545636055.

It is an interprime number because it is at equal distance from previous prime (550636529) and next prime (550636561).

It is not a de Polignac number, because 550636545 - 2⁴ = 550636529 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1079425 + ... + 1079934.

It is an arithmetic number, because the mean of its divisors is an integer number (58302720).

Almost surely, 2^550636545 is an apocalyptic number.

It is an amenable number.

550636545 is a deficient number, since it is larger than the sum of its proper divisors (382206975).

550636545 is a wasteful number, since it uses less digits than its factorization.

550636545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2159384.

The product of its (nonzero) digits is 270000, while the sum is 39.

The square root of 550636545 is about 23465.6460597189. The cubic root of 550636545 is about 819.6372304717.

The spelling of 550636545 in words is "five hundred fifty million, six hundred thirty-six thousand, five hundred forty-five".