5531306436 has 18 divisors (see below), whose sum is σ = 13981913582. Its totient is φ = 1843768800.

The previous prime is 5531306413. The next prime is 5531306441. The reversal of 5531306436 is 6346031355.

5531306436 is a `hidden beast` number, since 5 + 5 + 3 + 1 + 3 + 0 + 643 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3938817600 + 1592488836 = 62760^2 + 39906^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 153647401 = 5531306436 / (5 + 5 + 3 + 1 + 3 + 0 + 6 + 4 + 3 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 5531306436.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 76823665 + ... + 76823736.

Almost surely, 2^5531306436 is an apocalyptic number.

It is an amenable number.

5531306436 is an abundant number, since it is smaller than the sum of its proper divisors (8450607146).

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

5531306436 is a wasteful number, since it uses less digits than its factorization.

5531306436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153647411 (or 153647406 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 36.

The square root of 5531306436 is about 74372.7533173272. The cubic root of 5531306436 is about 1768.5170035316.

The spelling of 5531306436 in words is "five billion, five hundred thirty-one million, three hundred six thousand, four hundred thirty-six".