56749759 has 8 divisors (see below), whose sum is σ = 61964928. Its totient is φ = 51543960.

The previous prime is 56749741. The next prime is 56749801. The reversal of 56749759 is 95794765.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56749759 - 2⁷ = 56749631 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 (56749739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18214 + ... + 21100.

It is an arithmetic number, because the mean of its divisors is an integer number (7745616).

Almost surely, 2^56749759 is an apocalyptic number.

56749759 is a deficient number, since it is larger than the sum of its proper divisors (5215169).

56749759 is a wasteful number, since it uses less digits than its factorization.

56749759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4685.

The product of its digits is 2381400, while the sum is 52.

The square root of 56749759 is about 7533.2435909109. The cubic root of 56749759 is about 384.2860981872.

The spelling of 56749759 in words is "fifty-six million, seven hundred forty-nine thousand, seven hundred fifty-nine".