5541372637 has 4 divisors (see below), whose sum is σ = 5541805116. Its totient is φ = 5540940160.

The previous prime is 5541372611. The next prime is 5541372647. The reversal of 5541372637 is 7362731455.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3032264356 + 2509108281 = 55066^2 + 50091^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5541372637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5541372593 and 5541372602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5541372607) 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, 196414 + ... + 222847.

It is an arithmetic number, because the mean of its divisors is an integer number (1385451279).

Almost surely, 2^5541372637 is an apocalyptic number.

It is an amenable number.

5541372637 is a deficient number, since it is larger than the sum of its proper divisors (432479).

5541372637 is a wasteful number, since it uses less digits than its factorization.

5541372637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432478.

The product of its digits is 529200, while the sum is 43.

The square root of 5541372637 is about 74440.3965397821. The cubic root of 5541372637 is about 1769.5891709327.

The spelling of 5541372637 in words is "five billion, five hundred forty-one million, three hundred seventy-two thousand, six hundred thirty-seven".