55328577582355 has 48 divisors (see below), whose sum is σ = 83435808657600. Its totient is φ = 34477553848320.

The previous prime is 55328577582353. The next prime is 55328577582373.

55328577582355 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55328577582355 - 2¹ = 55328577582353 is a prime.

It is a super-2 number, since 2×55328577582355² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (70) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (55328577582353) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8793871 + ... + 13710919.

It is an arithmetic number, because the mean of its divisors is an integer number (1738246013700).

Almost surely, 2^{55328577582355} is an apocalyptic number.

55328577582355 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55328577582355 is a deficient number, since it is larger than the sum of its proper divisors (28107231075245).

55328577582355 is a wasteful number, since it uses less digits than its factorization.

55328577582355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4919740 (or 4919729 counting only the distinct ones).

The product of its digits is 1764000000, while the sum is 70.

The spelling of 55328577582355 in words is "fifty-five trillion, three hundred twenty-eight billion, five hundred seventy-seven million, five hundred eighty-two thousand, three hundred fifty-five".