53325811 has 8 divisors (see below), whose sum is σ = 66484224. Its totient is φ = 41552520.

The previous prime is 53325803. The next prime is 53325817. The reversal of 53325811 is 11852335.

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 53325811 - 2³ = 53325803 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 53325811.

It is not an unprimeable number, because it can be changed into a prime (53325817) 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, 346195 + ... + 346348.

It is an arithmetic number, because the mean of its divisors is an integer number (8310528).

Almost surely, 2^53325811 is an apocalyptic number.

53325811 is a deficient number, since it is larger than the sum of its proper divisors (13158413).

53325811 is a wasteful number, since it uses less digits than its factorization.

53325811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692561.

The product of its digits is 3600, while the sum is 28.

The square root of 53325811 is about 7302.4523962844. The cubic root of 53325811 is about 376.3967137536.

The spelling of 53325811 in words is "fifty-three million, three hundred twenty-five thousand, eight hundred eleven".