53660313 has 80 divisors (see below), whose sum is σ = 102453120. Its totient is φ = 27247104.

The previous prime is 53660293. The next prime is 53660317. The reversal of 53660313 is 31306635.

53660313 is a `hidden beast` number, since 53 + 6 + 603 + 1 + 3 = 666.

53660313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53660313 - 2⁵ = 53660281 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53660317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 182995 + ... + 183287.

It is an arithmetic number, because the mean of its divisors is an integer number (1280664).

Almost surely, 2^53660313 is an apocalyptic number.

It is an amenable number.

53660313 is a deficient number, since it is larger than the sum of its proper divisors (48792807).

53660313 is a wasteful number, since it uses less digits than its factorization.

53660313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348 (or 339 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 27.

The square root of 53660313 is about 7325.3199930105. The cubic root of 53660313 is about 377.1820939476.

Adding to 53660313 its reverse (31306635), we get a palindrome (84966948).

The spelling of 53660313 in words is "fifty-three million, six hundred sixty thousand, three hundred thirteen".