550353040 has 40 divisors (see below), whose sum is σ = 1292258808. Its totient is φ = 217958400.

The previous prime is 550353029. The next prime is 550353043. The reversal of 550353040 is 40353055.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 126157824 + 424195216 = 11232^2 + 20596^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 550352996 and 550353014.

It is not an unprimeable number, because it can be changed into a prime (550353043) 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, 25977 + ... + 42136.

Almost surely, 2^550353040 is an apocalyptic number.

It is an amenable number.

550353040 is an abundant number, since it is smaller than the sum of its proper divisors (741905768).

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

550353040 is a wasteful number, since it uses less digits than its factorization.

550353040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68227 (or 68221 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 550353040 is about 23459.6044297426. The cubic root of 550353040 is about 819.4965380635.

The spelling of 550353040 in words is "five hundred fifty million, three hundred fifty-three thousand, forty".