53980249 has 4 divisors (see below), whose sum is σ = 53995060. Its totient is φ = 53965440.

The previous prime is 53980243. The next prime is 53980259. The reversal of 53980249 is 94208935.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 30603024 + 23377225 = 5532^2 + 4835^2 .

It is a cyclic number.

It is not a de Polignac number, because 53980249 - 2⁵ = 53980217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53980243) 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, 2317 + ... + 10645.

It is an arithmetic number, because the mean of its divisors is an integer number (13498765).

Almost surely, 2^53980249 is an apocalyptic number.

It is an amenable number.

53980249 is a deficient number, since it is larger than the sum of its proper divisors (14811).

53980249 is an equidigital number, since it uses as much as digits as its factorization.

53980249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14810.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 53980249 is about 7347.1252201116. The cubic root of 53980249 is about 377.9302265699.

The spelling of 53980249 in words is "fifty-three million, nine hundred eighty thousand, two hundred forty-nine".