550473040 has 40 divisors (see below), whose sum is σ = 1378302408. Its totient is φ = 203251200.

The previous prime is 550473037. The next prime is 550473043. The reversal of 550473040 is 40374055.

It is an interprime number because it is at equal distance from previous prime (550473037) and next prime (550473043).

It can be written as a sum of positive squares in 4 ways, for example, as 3474496 + 546998544 = 1864^2 + 23388^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550473043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263611 + ... + 265690.

Almost surely, 2^550473040 is an apocalyptic number.

It is an amenable number.

550473040 is an abundant number, since it is smaller than the sum of its proper divisors (827829368).

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

550473040 is a wasteful number, since it uses less digits than its factorization.

550473040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529327 (or 529321 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 550473040 is about 23462.1618782243. The cubic root of 550473040 is about 819.5560952513.

The spelling of 550473040 in words is "five hundred fifty million, four hundred seventy-three thousand, forty".