1055331003 has 16 divisors (see below), whose sum is σ = 1503278720. Its totient is φ = 656574336.

The previous prime is 1055331001. The next prime is 1055331019. The reversal of 1055331003 is 3001335501.

It is a happy number.

It is not a de Polignac number, because 1055331003 - 2¹ = 1055331001 is a prime.

It is a super-2 number, since 2×1055331003² = 2227447051785972018, which contains 22 as substring.

It is a Duffinian 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 (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134350 + ... + 141987.

It is an arithmetic number, because the mean of its divisors is an integer number (93954920).

Almost surely, 2^1055331003 is an apocalyptic number.

1055331003 is a deficient number, since it is larger than the sum of its proper divisors (447947717).

1055331003 is a wasteful number, since it uses less digits than its factorization.

1055331003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276426.

The product of its (nonzero) digits is 675, while the sum is 21.

The square root of 1055331003 is about 32485.8585079724. The cubic root of 1055331003 is about 1018.1135846825.

Adding to 1055331003 its reverse (3001335501), we get a palindrome (4056666504).

The spelling of 1055331003 in words is "one billion, fifty-five million, three hundred thirty-one thousand, three".