5454611021 has 4 divisors (see below), whose sum is σ = 5454760512. Its totient is φ = 5454461532.

The previous prime is 5454611009. The next prime is 5454611047. The reversal of 5454611021 is 1201164545.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5454611021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5454611051) 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, 20126 + ... + 106368.

It is an arithmetic number, because the mean of its divisors is an integer number (1363690128).

Almost surely, 2^5454611021 is an apocalyptic number.

It is an amenable number.

5454611021 is a deficient number, since it is larger than the sum of its proper divisors (149491).

5454611021 is an equidigital number, since it uses as much as digits as its factorization.

5454611021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149490.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 5454611021 is about 73855.3384732614. The cubic root of 5454611021 is about 1760.3050242899.

Adding to 5454611021 its reverse (1201164545), we get a palindrome (6655775566).

The spelling of 5454611021 in words is "five billion, four hundred fifty-four million, six hundred eleven thousand, twenty-one".