5555321145 has 128 divisors (see below), whose sum is σ = 11131084800. Its totient is φ = 2627190720.

The previous prime is 5555321143. The next prime is 5555321207. The reversal of 5555321145 is 5411235555.

5555321145 is a `hidden beast` number, since 5 + 5 + 5 + 532 + 114 + 5 = 666.

5555321145 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5555321145 - 2¹ = 5555321143 is a prime.

It is a super-2 number, since 2×5555321145² = 61723186048168222050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5555321143) 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 127 ways as a sum of consecutive naturals, for example, 7726096 + ... + 7726814.

It is an arithmetic number, because the mean of its divisors is an integer number (86961600).

Almost surely, 2^5555321145 is an apocalyptic number.

5555321145 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5555321145 is an abundant number, since it is smaller than the sum of its proper divisors (5575763655).

5555321145 is a wasteful number, since it uses less digits than its factorization.

5555321145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809 (or 781 counting only the distinct ones).

The product of its digits is 75000, while the sum is 36.

The square root of 5555321145 is about 74534.0267595948. The cubic root of 5555321145 is about 1771.0727051154.

The spelling of 5555321145 in words is "five billion, five hundred fifty-five million, three hundred twenty-one thousand, one hundred forty-five".