5641487655 has 16 divisors (see below), whose sum is σ = 9557344224. Its totient is φ = 2831805440.

The previous prime is 5641487627. The next prime is 5641487659. The reversal of 5641487655 is 5567841465.

It is a happy number.

It is not a de Polignac number, because 5641487655 - 2⁵ = 5641487623 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 5641487598 and 5641487607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5641487659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11061486 + ... + 11061995.

It is an arithmetic number, because the mean of its divisors is an integer number (597334014).

Almost surely, 2^5641487655 is an apocalyptic number.

5641487655 is a deficient number, since it is larger than the sum of its proper divisors (3915856569).

5641487655 is a wasteful number, since it uses less digits than its factorization.

5641487655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22123506.

The product of its digits is 4032000, while the sum is 51.

The square root of 5641487655 is about 75109.8372718248. The cubic root of 5641487655 is about 1780.1825818477.

The spelling of 5641487655 in words is "five billion, six hundred forty-one million, four hundred eighty-seven thousand, six hundred fifty-five".