5541435421 has 4 divisors (see below), whose sum is σ = 5541694972. Its totient is φ = 5541175872.

The previous prime is 5541435373. The next prime is 5541435433. The reversal of 5541435421 is 1245341455.

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 3861255321 + 1680180100 = 62139^2 + 40990^2 .

It is a cyclic number.

It is not a de Polignac number, because 5541435421 - 2⁷ = 5541435293 is a prime.

It is a super-2 number, since 2×5541435421² = 61415013050226894482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5541435461) 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, 94566 + ... + 141511.

It is an arithmetic number, because the mean of its divisors is an integer number (1385423743).

Almost surely, 2^5541435421 is an apocalyptic number.

It is an amenable number.

5541435421 is a deficient number, since it is larger than the sum of its proper divisors (259551).

5541435421 is a wasteful number, since it uses less digits than its factorization.

5541435421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259550.

The product of its digits is 48000, while the sum is 34.

The square root of 5541435421 is about 74440.8182450999. The cubic root of 5541435421 is about 1769.5958540823.

Adding to 5541435421 its reverse (1245341455), we get a palindrome (6786776876).

The spelling of 5541435421 in words is "five billion, five hundred forty-one million, four hundred thirty-five thousand, four hundred twenty-one".