550247775 has 96 divisors (see below), whose sum is σ = 1143545856. Its totient is φ = 226800000.

The previous prime is 550247743. The next prime is 550247801. The reversal of 550247775 is 577742055.

550247775 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 550247775 - 2⁵ = 550247743 is a prime.

It is a super-2 number, since 2×550247775² = 605545227784901250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 871710 + ... + 872340.

It is an arithmetic number, because the mean of its divisors is an integer number (11911936).

Almost surely, 2^550247775 is an apocalyptic number.

550247775 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

550247775 is an abundant number, since it is smaller than the sum of its proper divisors (593298081).

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

550247775 is a wasteful number, since it uses less digits than its factorization.

550247775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813 (or 808 counting only the distinct ones).

The product of its (nonzero) digits is 343000, while the sum is 42.

The square root of 550247775 is about 23457.3607850500. The cubic root of 550247775 is about 819.4442868737. Note that the first 3 decimals are identical.

The spelling of 550247775 in words is "five hundred fifty million, two hundred forty-seven thousand, seven hundred seventy-five".