56415271 has 4 divisors (see below), whose sum is σ = 61543944. Its totient is φ = 51286600.

The previous prime is 56415259. The next prime is 56415277. The reversal of 56415271 is 17251465.

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 56415271 - 2⁹ = 56414759 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56415277) 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, 2564320 + ... + 2564341.

It is an arithmetic number, because the mean of its divisors is an integer number (15385986).

Almost surely, 2^56415271 is an apocalyptic number.

56415271 is a deficient number, since it is larger than the sum of its proper divisors (5128673).

56415271 is a wasteful number, since it uses less digits than its factorization.

56415271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5128672.

The product of its digits is 8400, while the sum is 31.

The square root of 56415271 is about 7511.0099853482. The cubic root of 56415271 is about 383.5296047614.

The spelling of 56415271 in words is "fifty-six million, four hundred fifteen thousand, two hundred seventy-one".