56556417 has 8 divisors (see below), whose sum is σ = 75513024. Its totient is φ = 37652048.

The previous prime is 56556413. The next prime is 56556421. The reversal of 56556417 is 71465565.

It is an interprime number because it is at equal distance from previous prime (56556413) and next prime (56556421).

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 56556417 - 2² = 56556413 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56556413) 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, 10458 + ... + 14915.

It is an arithmetic number, because the mean of its divisors is an integer number (9439128).

Almost surely, 2^56556417 is an apocalyptic number.

It is an amenable number.

56556417 is a deficient number, since it is larger than the sum of its proper divisors (18956607).

56556417 is a wasteful number, since it uses less digits than its factorization.

56556417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26119.

The product of its digits is 126000, while the sum is 39.

The square root of 56556417 is about 7520.4000558481. The cubic root of 56556417 is about 383.8491907258.

The spelling of 56556417 in words is "fifty-six million, five hundred fifty-six thousand, four hundred seventeen".