53480811 has 4 divisors (see below), whose sum is σ = 71307752. Its totient is φ = 35653872.

The previous prime is 53480809. The next prime is 53480857. The reversal of 53480811 is 11808435.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 53480811 - 2¹ = 53480809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53470811) 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, 8913466 + ... + 8913471.

It is an arithmetic number, because the mean of its divisors is an integer number (17826938).

Almost surely, 2^53480811 is an apocalyptic number.

53480811 is a deficient number, since it is larger than the sum of its proper divisors (17826941).

53480811 is a wasteful number, since it uses less digits than its factorization.

53480811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17826940.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 53480811 is about 7313.0575684867. The cubic root of 53480811 is about 376.7610467370.

The spelling of 53480811 in words is "fifty-three million, four hundred eighty thousand, eight hundred eleven".