56343751 has 4 divisors (see below), whose sum is σ = 56361472. Its totient is φ = 56326032.

The previous prime is 56343743. The next prime is 56343779. The reversal of 56343751 is 15734365.

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 56343751 - 2³ = 56343743 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 (56343701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2631 + ... + 10936.

It is an arithmetic number, because the mean of its divisors is an integer number (14090368).

Almost surely, 2^56343751 is an apocalyptic number.

56343751 is a deficient number, since it is larger than the sum of its proper divisors (17721).

56343751 is a wasteful number, since it uses less digits than its factorization.

56343751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17720.

The product of its digits is 37800, while the sum is 34.

The square root of 56343751 is about 7506.2474646124. The cubic root of 56343751 is about 383.3674640478.

The spelling of 56343751 in words is "fifty-six million, three hundred forty-three thousand, seven hundred fifty-one".