55530055052805 has 32 divisors (see below), whose sum is σ = 91162046029824. Its totient is φ = 28848463430976.

The previous prime is 55530055052779. The next prime is 55530055052807. The reversal of 55530055052805 is 50825055003555.

It is not a de Polignac number, because 55530055052805 - 2¹² = 55530055048709 is a prime.

It is a super-2 number, since 2×55530055052805² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55530055052807) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117056349 + ... + 117529778.

It is an arithmetic number, because the mean of its divisors is an integer number (2848813938432).

Almost surely, 2^{55530055052805} is an apocalyptic number.

It is an amenable number.

55530055052805 is a deficient number, since it is larger than the sum of its proper divisors (35631990977019).

55530055052805 is a wasteful number, since it uses less digits than its factorization.

55530055052805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234586545.

The product of its (nonzero) digits is 3750000, while the sum is 48.

The spelling of 55530055052805 in words is "fifty-five trillion, five hundred thirty billion, fifty-five million, fifty-two thousand, eight hundred five".