5525181396 has 126 divisors (see below), whose sum is σ = 16864257690. Its totient is φ = 1578582432.

The previous prime is 5525181379. The next prime is 5525181427. The reversal of 5525181396 is 6931815255.

5525181396 is a `hidden beast` number, since 5 + 5 + 251 + 8 + 1 + 396 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3796284996 + 1728896400 = 61614^2 + 41580^2 .

It is a tau number, because it is divible by the number of its divisors (126).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 123550 + ... + 162218.

It is an arithmetic number, because the mean of its divisors is an integer number (133843315).

Almost surely, 2^5525181396 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 5525181396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8432128845).

5525181396 is an abundant number, since it is smaller than the sum of its proper divisors (11339076294).

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

5525181396 is a wasteful number, since it uses less digits than its factorization.

5525181396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38705 (or 38681 counting only the distinct ones).

The product of its digits is 324000, while the sum is 45.

The square root of 5525181396 is about 74331.5639281187. The cubic root of 5525181396 is about 1767.8639788921.

The spelling of 5525181396 in words is "five billion, five hundred twenty-five million, one hundred eighty-one thousand, three hundred ninety-six".