53249109 has 8 divisors (see below), whose sum is σ = 71228352. Its totient is φ = 35384640.

The previous prime is 53249101. The next prime is 53249113. The reversal of 53249109 is 90194235.

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

It is not a de Polignac number, because 53249109 - 2³ = 53249101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53249109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53249101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27604 + ... + 29469.

It is an arithmetic number, because the mean of its divisors is an integer number (8903544).

Almost surely, 2^53249109 is an apocalyptic number.

It is an amenable number.

53249109 is a deficient number, since it is larger than the sum of its proper divisors (17979243).

53249109 is a wasteful number, since it uses less digits than its factorization.

53249109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57387.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 53249109 is about 7297.1987090938. The cubic root of 53249109 is about 376.2161618263.

The spelling of 53249109 in words is "fifty-three million, two hundred forty-nine thousand, one hundred nine".