550446520 has 96 divisors (see below), whose sum is σ = 1355415120. Its totient is φ = 201077760.

The previous prime is 550446497. The next prime is 550446527. The reversal of 550446520 is 25644055.

It is a super-2 number, since 2×550446520² = 605982742760220800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550446527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 722940 + ... + 723700.

Almost surely, 2^550446520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550446520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (677707560).

550446520 is an abundant number, since it is smaller than the sum of its proper divisors (804968600).

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

550446520 is a wasteful number, since it uses less digits than its factorization.

550446520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905 (or 888 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 550446520 is about 23461.5967061068. The cubic root of 550446520 is about 819.5429338579.

The spelling of 550446520 in words is "five hundred fifty million, four hundred forty-six thousand, five hundred twenty".