523550216 has 16 divisors (see below), whose sum is σ = 1121893440. Its totient is φ = 224378640.

The previous prime is 523550213. The next prime is 523550231. The reversal of 523550216 is 612055325.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (523550213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4674500 + ... + 4674611.

It is an arithmetic number, because the mean of its divisors is an integer number (70118340).

Almost surely, 2^523550216 is an apocalyptic number.

523550216 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

523550216 is an abundant number, since it is smaller than the sum of its proper divisors (598343224).

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

523550216 is a wasteful number, since it uses less digits than its factorization.

523550216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9349124 (or 9349120 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 523550216 is about 22881.2197227333. The cubic root of 523550216 is about 805.9710596780.

The spelling of 523550216 in words is "five hundred twenty-three million, five hundred fifty thousand, two hundred sixteen".