550149944 has 8 divisors (see below), whose sum is σ = 1031531160. Its totient is φ = 275074968.

The previous prime is 550149913. The next prime is 550149947. The reversal of 550149944 is 449941055.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×550149944³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550149947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34384364 + ... + 34384379.

It is an arithmetic number, because the mean of its divisors is an integer number (128941395).

Almost surely, 2^550149944 is an apocalyptic number.

It is an amenable number.

550149944 is a deficient number, since it is larger than the sum of its proper divisors (481381216).

550149944 is a wasteful number, since it uses less digits than its factorization.

550149944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68768749 (or 68768745 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 550149944 is about 23455.2753980848. The cubic root of 550149944 is about 819.3957197801.

The spelling of 550149944 in words is "five hundred fifty million, one hundred forty-nine thousand, nine hundred forty-four".