54249851189 has 8 divisors (see below), whose sum is σ = 57826531800. Its totient is φ = 50716005376.

The previous prime is 54249851179. The next prime is 54249851267. The reversal of 54249851189 is 98115894245.

It can be written as a sum of positive squares in 4 ways, for example, as 18945320164 + 35304531025 = 137642^2 + 187895^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54249851189 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 (54249851119) 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, 10706084 + ... + 10711149.

It is an arithmetic number, because the mean of its divisors is an integer number (7228316475).

Almost surely, 2^54249851189 is an apocalyptic number.

It is an amenable number.

54249851189 is a deficient number, since it is larger than the sum of its proper divisors (3576680611).

54249851189 is a wasteful number, since it uses less digits than its factorization.

54249851189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21417399.

The product of its digits is 4147200, while the sum is 56.

The spelling of 54249851189 in words is "fifty-four billion, two hundred forty-nine million, eight hundred fifty-one thousand, one hundred eighty-nine".