53660351 has 8 divisors (see below), whose sum is σ = 56918400. Its totient is φ = 50445720.

The previous prime is 53660339. The next prime is 53660359. The reversal of 53660351 is 15306635.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53660351 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 (53660359) 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, 8291 + ... + 13268.

It is an arithmetic number, because the mean of its divisors is an integer number (7114800).

Almost surely, 2^53660351 is an apocalyptic number.

53660351 is a deficient number, since it is larger than the sum of its proper divisors (3258049).

53660351 is a wasteful number, since it uses less digits than its factorization.

53660351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21709.

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 53660351 is about 7325.3225867534. The cubic root of 53660351 is about 377.1821829825.

Adding to 53660351 its reverse (15306635), we get a palindrome (68966986).

The spelling of 53660351 in words is "fifty-three million, six hundred sixty thousand, three hundred fifty-one".