5541812641 has 8 divisors (see below), whose sum is σ = 5621394240. Its totient is φ = 5462536272.

The previous prime is 5541812621. The next prime is 5541812693. The reversal of 5541812641 is 1462181455.

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

It is a cyclic number.

It is not a de Polignac number, because 5541812641 - 2²⁵ = 5508258209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5541812641.

It is not an unprimeable number, because it can be changed into a prime (5541812621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39610 + ... + 112483.

It is an arithmetic number, because the mean of its divisors is an integer number (702674280).

Almost surely, 2^5541812641 is an apocalyptic number.

It is an amenable number.

5541812641 is a deficient number, since it is larger than the sum of its proper divisors (79581599).

5541812641 is a wasteful number, since it uses less digits than its factorization.

5541812641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152615.

The product of its digits is 38400, while the sum is 37.

The square root of 5541812641 is about 74443.3518925632. The cubic root of 5541812641 is about 1769.6360068436.

The spelling of 5541812641 in words is "five billion, five hundred forty-one million, eight hundred twelve thousand, six hundred forty-one".