53660727 has 12 divisors (see below), whose sum is σ = 77748424. Its totient is φ = 35663760.

The previous prime is 53660723. The next prime is 53660729. The reversal of 53660727 is 72706635.

It is a happy number.

It is not a de Polignac number, because 53660727 - 2² = 53660723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53660691 and 53660700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53660723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6028 + ... + 11985.

Almost surely, 2^53660727 is an apocalyptic number.

53660727 is a deficient number, since it is larger than the sum of its proper divisors (24087697).

53660727 is a wasteful number, since it uses less digits than its factorization.

53660727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18350 (or 18347 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The square root of 53660727 is about 7325.3482511072. The cubic root of 53660727 is about 377.1830639568.

The spelling of 53660727 in words is "fifty-three million, six hundred sixty thousand, seven hundred twenty-seven".