55505543292804 has 96 divisors (see below), whose sum is σ = 146161446681600. Its totient is φ = 16239572012160.

The previous prime is 55505543292781. The next prime is 55505543292811. The reversal of 55505543292804 is 40829234550555.

It is a happy number.

It is a super-2 number, since 2×55505543292804² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 301504617 + ... + 301688655.

It is an arithmetic number, because the mean of its divisors is an integer number (1522515069600).

Almost surely, 2^{55505543292804} is an apocalyptic number.

It is an amenable number.

55505543292804 is an abundant number, since it is smaller than the sum of its proper divisors (90655903388796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55505543292804 is a wasteful number, since it uses less digits than its factorization.

55505543292804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262873 (or 262871 counting only the distinct ones).

The product of its (nonzero) digits is 43200000, while the sum is 57.

The spelling of 55505543292804 in words is "fifty-five trillion, five hundred five billion, five hundred forty-three million, two hundred ninety-two thousand, eight hundred four".