1000055320 has 48 divisors (see below), whose sum is σ = 2473289280. Its totient is φ = 363654720.

The previous prime is 1000055281. The next prime is 1000055327. The reversal of 1000055320 is 235500001.

1000055320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1000055320² = 2000221286120604800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1000055294 and 1000055303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000055327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98472 + ... + 108151.

It is an arithmetic number, because the mean of its divisors is an integer number (51526860).

Almost surely, 2^1000055320 is an apocalyptic number.

1000055320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000055320 is an abundant number, since it is smaller than the sum of its proper divisors (1473233960).

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

1000055320 is a wasteful number, since it uses less digits than its factorization.

1000055320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206656 (or 206641 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 1000055320 is about 31623.6512755880. The cubic root of 1000055320 is about 1000.0184396600.

Adding to 1000055320 its reverse (235500001), we get a palindrome (1235555321).

The spelling of 1000055320 in words is "one billion, fifty-five thousand, three hundred twenty".