56875751 has 4 divisors (see below), whose sum is σ = 56903352. Its totient is φ = 56848152.

The previous prime is 56875747. The next prime is 56875769. The reversal of 56875751 is 15757865.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15757865 = 5 ⋅3151573.

It is a cyclic number.

It is not a de Polignac number, because 56875751 - 2² = 56875747 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 (56874751) 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, 10436 + ... + 14921.

It is an arithmetic number, because the mean of its divisors is an integer number (14225838).

Almost surely, 2^56875751 is an apocalyptic number.

56875751 is a deficient number, since it is larger than the sum of its proper divisors (27601).

56875751 is a wasteful number, since it uses less digits than its factorization.

56875751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27600.

The product of its digits is 294000, while the sum is 44.

The square root of 56875751 is about 7541.6013551500. The cubic root of 56875751 is about 384.5702767068.

The spelling of 56875751 in words is "fifty-six million, eight hundred seventy-five thousand, seven hundred fifty-one".