5185475544 has 64 divisors (see below), whose sum is σ = 13199760000. Its totient is φ = 1697089280.

The previous prime is 5185475543. The next prime is 5185475579. The reversal of 5185475544 is 4455745815.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 5185475493 and 5185475502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5185475543) 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, 1483639 + ... + 1487129.

It is an arithmetic number, because the mean of its divisors is an integer number (206246250).

Almost surely, 2^5185475544 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 5185475544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6599880000).

5185475544 is an abundant number, since it is smaller than the sum of its proper divisors (8014284456).

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

5185475544 is a wasteful number, since it uses less digits than its factorization.

5185475544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4608 (or 4604 counting only the distinct ones).

The product of its digits is 2240000, while the sum is 48.

The square root of 5185475544 is about 72010.2461042871. The cubic root of 5185475544 is about 1730.8636742471.

The spelling of 5185475544 in words is "five billion, one hundred eighty-five million, four hundred seventy-five thousand, five hundred forty-four".