56427251 has 8 divisors (see below), whose sum is σ = 57415680. Its totient is φ = 55445832.

The previous prime is 56427247. The next prime is 56427271. The reversal of 56427251 is 15272465.

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 56427251 - 2² = 56427247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56427271) 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, 16016 + ... + 19218.

It is an arithmetic number, because the mean of its divisors is an integer number (7176960).

Almost surely, 2^56427251 is an apocalyptic number.

56427251 is a deficient number, since it is larger than the sum of its proper divisors (988429).

56427251 is a wasteful number, since it uses less digits than its factorization.

56427251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3505.

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

The square root of 56427251 is about 7511.8074389590. The cubic root of 56427251 is about 383.5567508361.

The spelling of 56427251 in words is "fifty-six million, four hundred twenty-seven thousand, two hundred fifty-one".