5542563641 has 4 divisors (see below), whose sum is σ = 5544125412. Its totient is φ = 5541001872.

The previous prime is 5542563619. The next prime is 5542563643. The reversal of 5542563641 is 1463652455.

It is a happy number.

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 1468422400 + 4074141241 = 38320^2 + 63829^2 .

It is a cyclic number.

It is not a de Polignac number, because 5542563641 - 2⁶ = 5542563577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5542563643) 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, 775550 + ... + 782663.

It is an arithmetic number, because the mean of its divisors is an integer number (1386031353).

Almost surely, 2^5542563641 is an apocalyptic number.

It is an amenable number.

5542563641 is a deficient number, since it is larger than the sum of its proper divisors (1561771).

5542563641 is a wasteful number, since it uses less digits than its factorization.

5542563641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561770.

The product of its digits is 432000, while the sum is 41.

The square root of 5542563641 is about 74448.3958255650. The cubic root of 5542563641 is about 1769.7159407749.

The spelling of 5542563641 in words is "five billion, five hundred forty-two million, five hundred sixty-three thousand, six hundred forty-one".