53480213 has 4 divisors (see below), whose sum is σ = 53502540. Its totient is φ = 53457888.

The previous prime is 53480209. The next prime is 53480227. The reversal of 53480213 is 31208435.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31208435 = 5 ⋅6241687.

It can be written as a sum of positive squares in 2 ways, for example, as 39025009 + 14455204 = 6247^2 + 3802^2 .

It is a cyclic number.

It is not a de Polignac number, because 53480213 - 2² = 53480209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53480243) 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, 7070 + ... + 12527.

It is an arithmetic number, because the mean of its divisors is an integer number (13375635).

Almost surely, 2^53480213 is an apocalyptic number.

It is an amenable number.

53480213 is a deficient number, since it is larger than the sum of its proper divisors (22327).

53480213 is a wasteful number, since it uses less digits than its factorization.

53480213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22326.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 53480213 is about 7313.0166826010. The cubic root of 53480213 is about 376.7596424704.

Adding to 53480213 its reverse (31208435), we get a palindrome (84688648).

The spelling of 53480213 in words is "fifty-three million, four hundred eighty thousand, two hundred thirteen".