1055501000 has 32 divisors (see below), whose sum is σ = 2469874680. Its totient is φ = 422200000.

The previous prime is 1055500993. The next prime is 1055501003. The reversal of 1055501000 is 1055501.

It can be written as a sum of positive squares in 4 ways, for example, as 258116356 + 797384644 = 16066^2 + 28238^2 .

It is a super-2 number, since 2×1055501000² = 2228164722002000000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1055501000.

It is not an unprimeable number, because it can be changed into a prime (1055501003) by changing a digit.

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, 526751 + ... + 528750.

Almost surely, 2^1055501000 is an apocalyptic number.

1055501000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1055501000 is an abundant number, since it is smaller than the sum of its proper divisors (1414373680).

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

1055501000 is a wasteful number, since it uses less digits than its factorization.

1055501000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055522 (or 1055508 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 17.

The square root of 1055501000 is about 32488.4748795631. The cubic root of 1055501000 is about 1018.1682490365.

Adding to 1055501000 its reverse (1055501), we get a palindrome (1056556501).

1055501000 divided by its reverse (1055501) gives a cube (1000 = 10³).

The spelling of 1055501000 in words is "one billion, fifty-five million, five hundred one thousand".