550505046 has 128 divisors (see below), whose sum is σ = 1439907840. Its totient is φ = 136338048.

The previous prime is 550505029. The next prime is 550505063. The reversal of 550505046 is 640505055.

It is an interprime number because it is at equal distance from previous prime (550505029) and next prime (550505063).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 740551 + ... + 741293.

It is an arithmetic number, because the mean of its divisors is an integer number (11249280).

Almost surely, 2^550505046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550505046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (719953920).

550505046 is an abundant number, since it is smaller than the sum of its proper divisors (889402794).

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

550505046 is a wasteful number, since it uses less digits than its factorization.

550505046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850.

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 550505046 is about 23462.8439452680. The cubic root of 550505046 is about 819.5719786838.

Subtracting 550505046 from its reverse (640505055), we obtain a palindrome (90000009).

The spelling of 550505046 in words is "five hundred fifty million, five hundred five thousand, forty-six".