56505693 has 8 divisors (see below), whose sum is σ = 75377088. Its totient is φ = 37652384.

The previous prime is 56505689. The next prime is 56505719. The reversal of 56505693 is 39650565.

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

It is a cyclic number.

It is not a de Polignac number, because 56505693 - 2² = 56505689 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56505613) 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, 6880 + ... + 12662.

It is an arithmetic number, because the mean of its divisors is an integer number (9422136).

Almost surely, 2^56505693 is an apocalyptic number.

It is an amenable number.

56505693 is a deficient number, since it is larger than the sum of its proper divisors (18871395).

56505693 is a wasteful number, since it uses less digits than its factorization.

56505693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9043.

The product of its (nonzero) digits is 121500, while the sum is 39.

The square root of 56505693 is about 7517.0268723745. The cubic root of 56505693 is about 383.7344015701.

The spelling of 56505693 in words is "fifty-six million, five hundred five thousand, six hundred ninety-three".