55185270084 has 96 divisors (see below), whose sum is σ = 163595577600. Its totient is φ = 15759152640.

The previous prime is 55185270047. The next prime is 55185270109. The reversal of 55185270084 is 48007258155.

55185270084 is a `hidden beast` number, since 5 + 518 + 52 + 7 + 0 + 0 + 84 = 666.

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, 1546524 + ... + 1581804.

It is an arithmetic number, because the mean of its divisors is an integer number (1704120600).

Almost surely, 2^55185270084 is an apocalyptic number.

55185270084 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55185270084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81797788800).

55185270084 is an abundant number, since it is smaller than the sum of its proper divisors (108410307516).

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

55185270084 is a wasteful number, since it uses less digits than its factorization.

55185270084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37370 (or 37362 counting only the distinct ones).

The product of its (nonzero) digits is 448000, while the sum is 45.

The spelling of 55185270084 in words is "fifty-five billion, one hundred eighty-five million, two hundred seventy thousand, eighty-four".