550991260 has 24 divisors (see below), whose sum is σ = 1217981520. Its totient is φ = 208796544.

The previous prime is 550991239. The next prime is 550991269. The reversal of 550991260 is 62199055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550991269) 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, 724609 + ... + 725368.

It is an arithmetic number, because the mean of its divisors is an integer number (50749230).

Almost surely, 2^550991260 is an apocalyptic number.

It is an amenable number.

550991260 is an abundant number, since it is smaller than the sum of its proper divisors (666990260).

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

550991260 is a wasteful number, since it uses less digits than its factorization.

550991260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450005 (or 1450003 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 37.

The square root of 550991260 is about 23473.2030196137. The cubic root of 550991260 is about 819.8131936153.

It can be divided in two parts, 5509 and 91260, that added together give a palindrome (96769).

The spelling of 550991260 in words is "five hundred fifty million, nine hundred ninety-one thousand, two hundred sixty".