56181417 has 8 divisors (see below), whose sum is σ = 75180096. Its totient is φ = 37318512.

The previous prime is 56181409. The next prime is 56181421. The reversal of 56181417 is 71418165.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56181417 - 2³ = 56181409 is a prime.

It is a super-2 number, since 2×56181417² = 6312703232255778, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56181407) 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, 32973 + ... + 34634.

It is an arithmetic number, because the mean of its divisors is an integer number (9397512).

Almost surely, 2^56181417 is an apocalyptic number.

It is an amenable number.

56181417 is a deficient number, since it is larger than the sum of its proper divisors (18998679).

56181417 is a wasteful number, since it uses less digits than its factorization.

56181417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67887.

The product of its digits is 6720, while the sum is 33.

The square root of 56181417 is about 7495.4264054822. The cubic root of 56181417 is about 382.9989319778.

The spelling of 56181417 in words is "fifty-six million, one hundred eighty-one thousand, four hundred seventeen".