5454444251 has 4 divisors (see below), whose sum is σ = 5454608712. Its totient is φ = 5454279792.

The previous prime is 5454444239. The next prime is 5454444287. The reversal of 5454444251 is 1524444545.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5454444251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5454444211) 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, 13121 + ... + 105266.

It is an arithmetic number, because the mean of its divisors is an integer number (1363652178).

Almost surely, 2^5454444251 is an apocalyptic number.

5454444251 is a deficient number, since it is larger than the sum of its proper divisors (164461).

5454444251 is a wasteful number, since it uses less digits than its factorization.

5454444251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164460.

The product of its digits is 256000, while the sum is 38.

The square root of 5454444251 is about 73854.2094331799. The cubic root of 5454444251 is about 1760.2870841741.

Adding to 5454444251 its reverse (1524444545), we get a palindrome (6978888796).

The spelling of 5454444251 in words is "five billion, four hundred fifty-four million, four hundred forty-four thousand, two hundred fifty-one".