5541362921 has 4 divisors (see below), whose sum is σ = 5555321412. Its totient is φ = 5527404432.

The previous prime is 5541362909. The next prime is 5541362951. The reversal of 5541362921 is 1292631455.

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 1324159321 + 4217203600 = 36389^2 + 64940^2 .

It is a cyclic number.

It is not a de Polignac number, because 5541362921 - 2²⁶ = 5474254057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5541362951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6978650 + ... + 6979443.

It is an arithmetic number, because the mean of its divisors is an integer number (1388830353).

Almost surely, 2^5541362921 is an apocalyptic number.

It is an amenable number.

5541362921 is a deficient number, since it is larger than the sum of its proper divisors (13958491).

5541362921 is a wasteful number, since it uses less digits than its factorization.

5541362921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13958490.

The product of its digits is 64800, while the sum is 38.

The square root of 5541362921 is about 74440.3312794885. The cubic root of 5541362921 is about 1769.5881366920.

The spelling of 5541362921 in words is "five billion, five hundred forty-one million, three hundred sixty-two thousand, nine hundred twenty-one".