550523140 has 24 divisors (see below), whose sum is σ = 1156783320. Its totient is φ = 220078848.

The previous prime is 550523131. The next prime is 550523143. The reversal of 550523140 is 41325055.

It can be written as a sum of positive squares in 4 ways, for example, as 90935296 + 459587844 = 9536^2 + 21438^2 .

It is not an unprimeable number, because it can be changed into a prime (550523143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31066 + ... + 45454.

It is an arithmetic number, because the mean of its divisors is an integer number (48199305).

Almost surely, 2^550523140 is an apocalyptic number.

It is an amenable number.

550523140 is an abundant number, since it is smaller than the sum of its proper divisors (606260180).

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

550523140 is a wasteful number, since it uses less digits than its factorization.

550523140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16311 (or 16309 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 550523140 is about 23463.2295304802. The cubic root of 550523140 is about 819.5809578161.

Adding to 550523140 its reverse (41325055), we get a palindrome (591848195).

The spelling of 550523140 in words is "five hundred fifty million, five hundred twenty-three thousand, one hundred forty".