56697653 has 8 divisors (see below), whose sum is σ = 61295520. Its totient is φ = 52261200.

The previous prime is 56697649. The next prime is 56697659. The reversal of 56697653 is 35679665.

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 56697653 - 2² = 56697649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56697598 and 56697607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56697659) 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, 39623 + ... + 41028.

It is an arithmetic number, because the mean of its divisors is an integer number (7661940).

Almost surely, 2^56697653 is an apocalyptic number.

It is an amenable number.

56697653 is a deficient number, since it is larger than the sum of its proper divisors (4597867).

56697653 is a wasteful number, since it uses less digits than its factorization.

56697653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80707.

The product of its digits is 1020600, while the sum is 47.

The square root of 56697653 is about 7529.7843926636. The cubic root of 56697653 is about 384.1684486836.

The spelling of 56697653 in words is "fifty-six million, six hundred ninety-seven thousand, six hundred fifty-three".