550778325 has 24 divisors (see below), whose sum is σ = 964188288. Its totient is φ = 276468480.

The previous prime is 550778323. The next prime is 550778341. The reversal of 550778325 is 523877055.

It is not a de Polignac number, because 550778325 - 2¹ = 550778323 is a prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550778321) 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, 214717 + ... + 217266.

It is an arithmetic number, because the mean of its divisors is an integer number (40174512).

Almost surely, 2^550778325 is an apocalyptic number.

It is an amenable number.

550778325 is a deficient number, since it is larger than the sum of its proper divisors (413409963).

550778325 is a wasteful number, since it uses less digits than its factorization.

550778325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432013 (or 432008 counting only the distinct ones).

The product of its (nonzero) digits is 294000, while the sum is 42.

The square root of 550778325 is about 23468.6668773495. Note that the first 3 decimals coincide. The cubic root of 550778325 is about 819.7075722093.

The spelling of 550778325 in words is "five hundred fifty million, seven hundred seventy-eight thousand, three hundred twenty-five".