54251498449 has 8 divisors (see below), whose sum is σ = 55066777128. Its totient is φ = 53441673600.

The previous prime is 54251498429. The next prime is 54251498501. The reversal of 54251498449 is 94489415245.

It can be written as a sum of positive squares in 4 ways, for example, as 36545204224 + 17706294225 = 191168^2 + 133065^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54251498449 - 2¹⁷ = 54251367377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54251498449.

It is not an unprimeable number, because it can be changed into a prime (54251498429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1343412 + ... + 1383205.

It is an arithmetic number, because the mean of its divisors is an integer number (6883347141).

Almost surely, 2^54251498449 is an apocalyptic number.

It is an amenable number.

54251498449 is a deficient number, since it is larger than the sum of its proper divisors (815278679).

54251498449 is a wasteful number, since it uses less digits than its factorization.

54251498449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2726915.

The product of its digits is 8294400, while the sum is 55.

The spelling of 54251498449 in words is "fifty-four billion, two hundred fifty-one million, four hundred ninety-eight thousand, four hundred forty-nine".