53249811 has 8 divisors (see below), whose sum is σ = 71036304. Its totient is φ = 35481600.

The previous prime is 53249809. The next prime is 53249827. The reversal of 53249811 is 11894235.

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

It is not a de Polignac number, because 53249811 - 2¹ = 53249809 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (53249851) 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, 5235 + ... + 11571.

It is an arithmetic number, because the mean of its divisors is an integer number (8879538).

Almost surely, 2^53249811 is an apocalyptic number.

53249811 is a deficient number, since it is larger than the sum of its proper divisors (17786493).

53249811 is a wasteful number, since it uses less digits than its factorization.

53249811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9141.

The product of its digits is 8640, while the sum is 33.

The square root of 53249811 is about 7297.2468095851. The cubic root of 53249811 is about 376.2178150782.

The spelling of 53249811 in words is "fifty-three million, two hundred forty-nine thousand, eight hundred eleven".