56861427 has 16 divisors (see below), whose sum is σ = 88116480. Its totient is φ = 31940832.

The previous prime is 56861423. The next prime is 56861429. The reversal of 56861427 is 72416865.

It is not a de Polignac number, because 56861427 - 2² = 56861423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56861423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21708 + ... + 24185.

It is an arithmetic number, because the mean of its divisors is an integer number (5507280).

Almost surely, 2^56861427 is an apocalyptic number.

56861427 is a deficient number, since it is larger than the sum of its proper divisors (31255053).

56861427 is a wasteful number, since it uses less digits than its factorization.

56861427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45962.

The product of its digits is 80640, while the sum is 39.

The square root of 56861427 is about 7540.6516296670. The cubic root of 56861427 is about 384.5379896774.

The spelling of 56861427 in words is "fifty-six million, eight hundred sixty-one thousand, four hundred twenty-seven".