1533320055 has 24 divisors (see below), whose sum is σ = 2667234960. Its totient is φ = 814853760.

The previous prime is 1533320039. The next prime is 1533320069. The reversal of 1533320055 is 5500233351.

It is not a de Polignac number, because 1533320055 - 2⁴ = 1533320039 is a prime.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 47985 + ... + 73274.

It is an arithmetic number, because the mean of its divisors is an integer number (111134790).

Almost surely, 2^1533320055 is an apocalyptic number.

1533320055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1533320055 is a deficient number, since it is larger than the sum of its proper divisors (1133914905).

1533320055 is a wasteful number, since it uses less digits than its factorization.

1533320055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121551 (or 121548 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 27.

The square root of 1533320055 is about 39157.6308655159. The cubic root of 1533320055 is about 1153.1282327007.

The spelling of 1533320055 in words is "one billion, five hundred thirty-three million, three hundred twenty thousand, fifty-five".