1055055520 has 48 divisors (see below), whose sum is σ = 2496221280. Its totient is φ = 421403904.

The previous prime is 1055055511. The next prime is 1055055539. The reversal of 1055055520 is 255505501.

It is a happy number.

It is a super-2 number, since 2×1055055520² = 2226284300564940800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113779 + ... + 122701.

It is an arithmetic number, because the mean of its divisors is an integer number (52004610).

Almost surely, 2^1055055520 is an apocalyptic number.

1055055520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1055055520 is an abundant number, since it is smaller than the sum of its proper divisors (1441165760).

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

1055055520 is an equidigital number, since it uses as much as digits as its factorization.

1055055520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9677 (or 9669 counting only the distinct ones).

The product of its (nonzero) digits is 6250, while the sum is 28.

The square root of 1055055520 is about 32481.6181862912. The cubic root of 1055055520 is about 1018.0249877108.

The spelling of 1055055520 in words is "one billion, fifty-five million, fifty-five thousand, five hundred twenty".