550996992 has 440 divisors, whose sum is σ = 2052829856. Its totient is φ = 143327232.

The previous prime is 550996921. The next prime is 550996997. The reversal of 550996992 is 299699055.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (550996997) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7547868 + ... + 7547940.

Almost surely, 2^550996992 is an apocalyptic number.

550996992 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550996992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1026414928).

550996992 is an abundant number, since it is smaller than the sum of its proper divisors (1501832864).

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

550996992 is a wasteful number, since it uses less digits than its factorization.

550996992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 1968300, while the sum is 54.

The square root of 550996992 is about 23473.3251159694. The cubic root of 550996992 is about 819.8160364632.

The spelling of 550996992 in words is "five hundred fifty million, nine hundred ninety-six thousand, nine hundred ninety-two".