550311252 has 24 divisors (see below), whose sum is σ = 1287422976. Its totient is φ = 182956608.

The previous prime is 550311247. The next prime is 550311253. The reversal of 550311252 is 252113055.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550311253) 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, 55273 + ... + 64464.

It is an arithmetic number, because the mean of its divisors is an integer number (53642624).

Almost surely, 2^550311252 is an apocalyptic number.

It is an amenable number.

550311252 is an abundant number, since it is smaller than the sum of its proper divisors (737111724).

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

550311252 is a wasteful number, since it uses less digits than its factorization.

550311252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120127 (or 120125 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 550311252 is about 23458.7137754822. The cubic root of 550311252 is about 819.4757962332.

The spelling of 550311252 in words is "five hundred fifty million, three hundred eleven thousand, two hundred fifty-two".