56142347 has 16 divisors (see below), whose sum is σ = 61871040. Its totient is φ = 50706432.

The previous prime is 56142343. The next prime is 56142353. The reversal of 56142347 is 74324165.

It is a cyclic number.

It is not a de Polignac number, because 56142347 - 2² = 56142343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56142343) 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, 129443 + ... + 129875.

It is an arithmetic number, because the mean of its divisors is an integer number (3866940).

Almost surely, 2^56142347 is an apocalyptic number.

56142347 is a deficient number, since it is larger than the sum of its proper divisors (5728693).

56142347 is a wasteful number, since it uses less digits than its factorization.

56142347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742.

The product of its digits is 20160, while the sum is 32.

The square root of 56142347 is about 7492.8196962158. The cubic root of 56142347 is about 382.9101289587.

The spelling of 56142347 in words is "fifty-six million, one hundred forty-two thousand, three hundred forty-seven".