55148467284 has 72 divisors (see below), whose sum is σ = 142275238560. Its totient is φ = 18007146432.

The previous prime is 55148467277. The next prime is 55148467289. The reversal of 55148467284 is 48276484155.

55148467284 is a `hidden beast` number, since 5 + 514 + 8 + 46 + 7 + 2 + 84 = 666.

55148467284 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 55148467284.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55148467289) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 367882 + ... + 495614.

It is an arithmetic number, because the mean of its divisors is an integer number (1976044980).

Almost surely, 2^55148467284 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55148467284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71137619280).

55148467284 is an abundant number, since it is smaller than the sum of its proper divisors (87126771276).

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

55148467284 is a wasteful number, since it uses less digits than its factorization.

55148467284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127989 (or 127984 counting only the distinct ones).

The product of its digits is 8601600, while the sum is 54.

The spelling of 55148467284 in words is "fifty-five billion, one hundred forty-eight million, four hundred sixty-seven thousand, two hundred eighty-four".