550925489 has 4 divisors (see below), whose sum is σ = 551053824. Its totient is φ = 550797156.

The previous prime is 550925483. The next prime is 550925519. The reversal of 550925489 is 984529055.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550925489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550925483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57497 + ... + 66390.

It is an arithmetic number, because the mean of its divisors is an integer number (137763456).

Almost surely, 2^550925489 is an apocalyptic number.

It is an amenable number.

550925489 is a deficient number, since it is larger than the sum of its proper divisors (128335).

550925489 is a wasteful number, since it uses less digits than its factorization.

550925489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128334.

The product of its (nonzero) digits is 648000, while the sum is 47.

The square root of 550925489 is about 23471.8019972903. The cubic root of 550925489 is about 819.7805723603.

The spelling of 550925489 in words is "five hundred fifty million, nine hundred twenty-five thousand, four hundred eighty-nine".