1045506055 has 32 divisors (see below), whose sum is σ = 1435304448. Its totient is φ = 723676800.

The previous prime is 1045506053. The next prime is 1045506089. The reversal of 1045506055 is 5506055401.

It is not a de Polignac number, because 1045506055 - 2¹ = 1045506053 is a prime.

It is a super-3 number, since 3×1045506055³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045506053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 264957 + ... + 268873.

It is an arithmetic number, because the mean of its divisors is an integer number (44853264).

Almost surely, 2^1045506055 is an apocalyptic number.

1045506055 is a deficient number, since it is larger than the sum of its proper divisors (389798393).

1045506055 is a wasteful number, since it uses less digits than its factorization.

1045506055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4167.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 1045506055 is about 32334.2860598468. The cubic root of 1045506055 is about 1014.9442421262.

The spelling of 1045506055 in words is "one billion, forty-five million, five hundred six thousand, fifty-five".