5537187538 has 8 divisors (see below), whose sum is σ = 8794356732. Its totient is φ = 2605735296.

The previous prime is 5537187533. The next prime is 5537187541. The reversal of 5537187538 is 8357817355.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5303189329 + 233998209 = 72823^2 + 15297^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (5537187533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81429195 + ... + 81429262.

Almost surely, 2^5537187538 is an apocalyptic number.

5537187538 is a deficient number, since it is larger than the sum of its proper divisors (3257169194).

5537187538 is a wasteful number, since it uses less digits than its factorization.

5537187538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162858476.

The product of its digits is 3528000, while the sum is 52.

The square root of 5537187538 is about 74412.2808278311. The cubic root of 5537187538 is about 1769.1435670745.

The spelling of 5537187538 in words is "five billion, five hundred thirty-seven million, one hundred eighty-seven thousand, five hundred thirty-eight".