55145323100355 has 16 divisors (see below), whose sum is σ = 93422665017504. Its totient is φ = 27680789634560.

The previous prime is 55145323100353. The next prime is 55145323100359. The reversal of 55145323100355 is 55300132354155.

It is not a de Polignac number, because 55145323100355 - 2¹ = 55145323100353 is a prime.

It is a super-2 number, since 2×55145323100355² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55145323100353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108128084256 + ... + 108128084765.

It is an arithmetic number, because the mean of its divisors is an integer number (5838916563594).

Almost surely, 2^{55145323100355} is an apocalyptic number.

55145323100355 is a deficient number, since it is larger than the sum of its proper divisors (38277341917149).

55145323100355 is a wasteful number, since it uses less digits than its factorization.

55145323100355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216256169046.

The product of its (nonzero) digits is 675000, while the sum is 42.

The spelling of 55145323100355 in words is "fifty-five trillion, one hundred forty-five billion, three hundred twenty-three million, one hundred thousand, three hundred fifty-five".