56251427 has 4 divisors (see below), whose sum is σ = 56271720. Its totient is φ = 56231136.

The previous prime is 56251417. The next prime is 56251441. The reversal of 56251427 is 72415265.

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 56251427 - 2⁸ = 56251171 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56251393 and 56251402.

It is not an unprimeable number, because it can be changed into a prime (56251417) 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, 5177 + ... + 11802.

It is an arithmetic number, because the mean of its divisors is an integer number (14067930).

Almost surely, 2^56251427 is an apocalyptic number.

56251427 is a deficient number, since it is larger than the sum of its proper divisors (20293).

56251427 is a wasteful number, since it uses less digits than its factorization.

56251427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20292.

The product of its digits is 16800, while the sum is 32.

The square root of 56251427 is about 7500.0951327300. The cubic root of 56251427 is about 383.1579562392.

The spelling of 56251427 in words is "fifty-six million, two hundred fifty-one thousand, four hundred twenty-seven".