56361143 has 4 divisors (see below), whose sum is σ = 56419008. Its totient is φ = 56303280.

The previous prime is 56361139. The next prime is 56361167. The reversal of 56361143 is 34116365.

It is a happy number.

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 56361143 - 2² = 56361139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56301143) 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, 27446 + ... + 29427.

It is an arithmetic number, because the mean of its divisors is an integer number (14104752).

Almost surely, 2^56361143 is an apocalyptic number.

56361143 is a deficient number, since it is larger than the sum of its proper divisors (57865).

56361143 is an equidigital number, since it uses as much as digits as its factorization.

56361143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57864.

The product of its digits is 6480, while the sum is 29.

The square root of 56361143 is about 7507.4058768659. The cubic root of 56361143 is about 383.4069055173.

The spelling of 56361143 in words is "fifty-six million, three hundred sixty-one thousand, one hundred forty-three".