550904256 has 252 divisors, whose sum is σ = 1863318600. Its totient is φ = 155151360.

The previous prime is 550904251. The next prime is 550904287. The reversal of 550904256 is 652409055.

It is a tau number, because it is divible by the number of its divisors (252).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 550904256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550904251) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3697270 + ... + 3697418.

Almost surely, 2^550904256 is an apocalyptic number.

550904256 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550904256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (931659300).

550904256 is an abundant number, since it is smaller than the sum of its proper divisors (1312414344).

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

550904256 is a wasteful number, since it uses less digits than its factorization.

550904256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 292 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 550904256 is about 23471.3496842427. The cubic root of 550904256 is about 819.7700406128.

The spelling of 550904256 in words is "five hundred fifty million, nine hundred four thousand, two hundred fifty-six".