56497617 has 12 divisors (see below), whose sum is σ = 89026704. Its totient is φ = 34240920.

The previous prime is 56497589. The next prime is 56497667. The reversal of 56497617 is 71679465.

It is a happy number.

56497617 is a `hidden beast` number, since 564 + 9 + 76 + 17 = 666.

It is not a de Polignac number, because 56497617 - 2⁷ = 56497489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56497667) 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, 285243 + ... + 285440.

It is an arithmetic number, because the mean of its divisors is an integer number (7418892).

Almost surely, 2^56497617 is an apocalyptic number.

It is an amenable number.

56497617 is a deficient number, since it is larger than the sum of its proper divisors (32529087).

56497617 is a wasteful number, since it uses less digits than its factorization.

56497617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570700 (or 570697 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 56497617 is about 7516.4896727129. The cubic root of 56497617 is about 383.7161191250.

The spelling of 56497617 in words is "fifty-six million, four hundred ninety-seven thousand, six hundred seventeen".