1055520305 has 8 divisors (see below), whose sum is σ = 1447570752. Its totient is φ = 723785328.

The previous prime is 1055520283. The next prime is 1055520307. The reversal of 1055520305 is 5030255501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1055520305 - 2¹⁰ = 1055519281 is a prime.

It is a super-2 number, since 2×1055520305² = 2228246228534586050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1055520307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15078827 + ... + 15078896.

It is an arithmetic number, because the mean of its divisors is an integer number (180946344).

Almost surely, 2^1055520305 is an apocalyptic number.

It is an amenable number.

1055520305 is a deficient number, since it is larger than the sum of its proper divisors (392050447).

1055520305 is an equidigital number, since it uses as much as digits as its factorization.

1055520305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30157735.

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 1055520305 is about 32488.7719835638. The cubic root of 1055520305 is about 1018.1744563946.

Adding to 1055520305 its reverse (5030255501), we get a palindrome (6085775806).

The spelling of 1055520305 in words is "one billion, fifty-five million, five hundred twenty thousand, three hundred five".