56006497 has 4 divisors (see below), whose sum is σ = 56715520. Its totient is φ = 55297476.

The previous prime is 56006459. The next prime is 56006507. The reversal of 56006497 is 79460065.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79460065 = 5 ⋅15892013.

It is a cyclic number.

It is not a de Polignac number, because 56006497 - 2¹¹ = 56004449 is a prime.

It is a super-2 number, since 2×56006497² = 6273455412422018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56001497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 354393 + ... + 354550.

It is an arithmetic number, because the mean of its divisors is an integer number (14178880).

Almost surely, 2^56006497 is an apocalyptic number.

It is an amenable number.

56006497 is a deficient number, since it is larger than the sum of its proper divisors (709023).

56006497 is an equidigital number, since it uses as much as digits as its factorization.

56006497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709022.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 56006497 is about 7483.7488600300. The cubic root of 56006497 is about 382.6010315941.

The spelling of 56006497 in words is "fifty-six million, six thousand, four hundred ninety-seven".