15530332055 has 16 divisors (see below), whose sum is σ = 21304456704. Its totient is φ = 10646512800.

The previous prime is 15530332009. The next prime is 15530332073. The reversal of 15530332055 is 55023303551.

It is a de Polignac number, because none of the positive numbers 2^k-15530332055 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77174 + ... + 192396.

It is an arithmetic number, because the mean of its divisors is an integer number (1331528544).

Almost surely, 2^15530332055 is an apocalyptic number.

15530332055 is a deficient number, since it is larger than the sum of its proper divisors (5774124649).

15530332055 is a wasteful number, since it uses less digits than its factorization.

15530332055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119086.

The product of its (nonzero) digits is 33750, while the sum is 32.

The spelling of 15530332055 in words is "fifteen billion, five hundred thirty million, three hundred thirty-two thousand, fifty-five".