1055331000 has 96 divisors (see below), whose sum is σ = 3567049200. Its totient is φ = 281419200.

The previous prime is 1055330987. The next prime is 1055331001. The reversal of 1055331000 is 1335501.

It is a happy number.

1055331000 is a `hidden beast` number, since 10 + 553 + 3 + 100 + 0 = 666.

It is a super-2 number, since 2×1055331000² = 2227447039122000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055331001) 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 23 ways as a sum of consecutive naturals, for example, 49630 + ... + 67629.

Almost surely, 2^1055331000 is an apocalyptic number.

1055331000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1055331000 is an abundant number, since it is smaller than the sum of its proper divisors (2511718200).

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

1055331000 is a wasteful number, since it uses less digits than its factorization.

1055331000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117286 (or 117269 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 18.

The square root of 1055331000 is about 32485.8584617984. The cubic root of 1055331000 is about 1018.1135837177.

Adding to 1055331000 its reverse (1335501), we get a palindrome (1056666501).

The spelling of 1055331000 in words is "one billion, fifty-five million, three hundred thirty-one thousand".