56417911 has 4 divisors (see below), whose sum is σ = 61546824. Its totient is φ = 51289000.

The previous prime is 56417903. The next prime is 56417947. The reversal of 56417911 is 11971465.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56417911 - 2³ = 56417903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56417981) 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, 2564440 + ... + 2564461.

It is an arithmetic number, because the mean of its divisors is an integer number (15386706).

Almost surely, 2^56417911 is an apocalyptic number.

56417911 is a deficient number, since it is larger than the sum of its proper divisors (5128913).

56417911 is a wasteful number, since it uses less digits than its factorization.

56417911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5128912.

The product of its digits is 7560, while the sum is 34.

The square root of 56417911 is about 7511.1857253033. The cubic root of 56417911 is about 383.5355871981.

The spelling of 56417911 in words is "fifty-six million, four hundred seventeen thousand, nine hundred eleven".