550563750 has 160 divisors (see below), whose sum is σ = 1668965760. Its totient is φ = 133380000.

The previous prime is 550563721. The next prime is 550563799. The reversal of 550563750 is 57365055.

550563750 is a `hidden beast` number, since 550 + 56 + 3 + 7 + 50 = 666.

550563750 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 370509 + ... + 371991.

It is an arithmetic number, because the mean of its divisors is an integer number (10431036).

Almost surely, 2^550563750 is an apocalyptic number.

550563750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 550563750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (834482880).

550563750 is an abundant number, since it is smaller than the sum of its proper divisors (1118402010).

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

550563750 is a wasteful number, since it uses less digits than its factorization.

550563750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525 (or 1504 counting only the distinct ones).

The product of its (nonzero) digits is 78750, while the sum is 36.

The square root of 550563750 is about 23464.0949111616. The cubic root of 550563750 is about 819.6011097781.

The spelling of 550563750 in words is "five hundred fifty million, five hundred sixty-three thousand, seven hundred fifty".