56493657 has 12 divisors (see below), whose sum is σ = 89020464. Its totient is φ = 34238520.

The previous prime is 56493641. The next prime is 56493659. The reversal of 56493657 is 75639465.

56493657 is a `hidden beast` number, since 564 + 9 + 36 + 57 = 666.

56493657 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 56493657 - 2⁴ = 56493641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56493659) 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 11 ways as a sum of consecutive naturals, for example, 285223 + ... + 285420.

It is an arithmetic number, because the mean of its divisors is an integer number (7418372).

Almost surely, 2^56493657 is an apocalyptic number.

It is an amenable number.

56493657 is a deficient number, since it is larger than the sum of its proper divisors (32526807).

56493657 is a wasteful number, since it uses less digits than its factorization.

56493657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570660 (or 570657 counting only the distinct ones).

The product of its digits is 680400, while the sum is 45.

The square root of 56493657 is about 7516.2262472600. The cubic root of 56493657 is about 383.7071538423.

The spelling of 56493657 in words is "fifty-six million, four hundred ninety-three thousand, six hundred fifty-seven".