550840992 has 96 divisors (see below), whose sum is σ = 1583789760. Its totient is φ = 166594560.

The previous prime is 550840949. The next prime is 550841003. The reversal of 550840992 is 299048055.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69892 + ... + 77372.

It is an arithmetic number, because the mean of its divisors is an integer number (16497810).

Almost surely, 2^550840992 is an apocalyptic number.

550840992 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 550840992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (791894880).

550840992 is an abundant number, since it is smaller than the sum of its proper divisors (1032948768).

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

550840992 is a wasteful number, since it uses less digits than its factorization.

550840992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7566 (or 7558 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 550840992 is about 23470.0019599488. The cubic root of 550840992 is about 819.7386595294.

The spelling of 550840992 in words is "five hundred fifty million, eight hundred forty thousand, nine hundred ninety-two".