53320113 has 80 divisors (see below), whose sum is σ = 101477376. Its totient is φ = 27099360.

The previous prime is 53320081. The next prime is 53320117. The reversal of 53320113 is 31102335.

53320113 is a `hidden beast` number, since 533 + 20 + 113 = 666.

It is not a de Polignac number, because 53320113 - 2⁵ = 53320081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53320117) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 517620 + ... + 517722.

Almost surely, 2^53320113 is an apocalyptic number.

It is an amenable number.

53320113 is a deficient number, since it is larger than the sum of its proper divisors (48157263).

53320113 is a wasteful number, since it uses less digits than its factorization.

53320113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 53320113 is about 7302.0622429558. The cubic root of 53320113 is about 376.3833069572.

Adding to 53320113 its reverse (31102335), we get a palindrome (84422448).

The spelling of 53320113 in words is "fifty-three million, three hundred twenty thousand, one hundred thirteen".