56757243 has 8 divisors (see below), whose sum is σ = 77522256. Its totient is φ = 36915200.

The previous prime is 56757209. The next prime is 56757257. The reversal of 56757243 is 34275765.

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 56757243 - 2⁶ = 56757179 is a prime.

It is a super-2 number, since 2×56757243² = 6442769265922098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56753243) 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, 230598 + ... + 230843.

It is an arithmetic number, because the mean of its divisors is an integer number (9690282).

Almost surely, 2^56757243 is an apocalyptic number.

56757243 is a deficient number, since it is larger than the sum of its proper divisors (20765013).

56757243 is a wasteful number, since it uses less digits than its factorization.

56757243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461485.

The product of its digits is 176400, while the sum is 39.

The square root of 56757243 is about 7533.7403061162. The cubic root of 56757243 is about 384.3029903044.

The spelling of 56757243 in words is "fifty-six million, seven hundred fifty-seven thousand, two hundred forty-three".