5541409857 has 4 divisors (see below), whose sum is σ = 7388546480. Its totient is φ = 3694273236.

The previous prime is 5541409843. The next prime is 5541409877. The reversal of 5541409857 is 7589041455.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 5541409857 - 2¹² = 5541405761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5541409807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 923568307 + ... + 923568312.

It is an arithmetic number, because the mean of its divisors is an integer number (1847136620).

Almost surely, 2^5541409857 is an apocalyptic number.

It is an amenable number.

5541409857 is a deficient number, since it is larger than the sum of its proper divisors (1847136623).

5541409857 is a wasteful number, since it uses less digits than its factorization.

5541409857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1847136622.

The product of its (nonzero) digits is 1008000, while the sum is 48.

The square root of 5541409857 is about 74440.6465380306. The cubic root of 5541409857 is about 1769.5931328849.

The spelling of 5541409857 in words is "five billion, five hundred forty-one million, four hundred nine thousand, eight hundred fifty-seven".