56187347 has 4 divisors (see below), whose sum is σ = 56766696. Its totient is φ = 55608000.

The previous prime is 56187331. The next prime is 56187353. The reversal of 56187347 is 74378165.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74378165 = 5 ⋅14875633.

It is a cyclic number.

It is not a de Polignac number, because 56187347 - 2⁴ = 56187331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56187847) 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, 289529 + ... + 289722.

It is an arithmetic number, because the mean of its divisors is an integer number (14191674).

Almost surely, 2^56187347 is an apocalyptic number.

56187347 is a deficient number, since it is larger than the sum of its proper divisors (579349).

56187347 is an equidigital number, since it uses as much as digits as its factorization.

56187347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579348.

The product of its digits is 141120, while the sum is 41.

The square root of 56187347 is about 7495.8219696041. The cubic root of 56187347 is about 383.0124067997.

The spelling of 56187347 in words is "fifty-six million, one hundred eighty-seven thousand, three hundred forty-seven".