56250857 has 8 divisors (see below), whose sum is σ = 60822720. Its totient is φ = 51714000.

The previous prime is 56250851. The next prime is 56250871. The reversal of 56250857 is 75805265.

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

It is not a de Polignac number, because 56250857 - 2⁶ = 56250793 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 56250857.

It is not an unprimeable number, because it can be changed into a prime (56250851) 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, 5357 + ... + 11882.

It is an arithmetic number, because the mean of its divisors is an integer number (7602840).

Almost surely, 2^56250857 is an apocalyptic number.

It is an amenable number.

56250857 is a deficient number, since it is larger than the sum of its proper divisors (4571863).

56250857 is a wasteful number, since it uses less digits than its factorization.

56250857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17503.

The product of its (nonzero) digits is 84000, while the sum is 38.

The square root of 56250857 is about 7500.0571331157. The cubic root of 56250857 is about 383.1566620452.

The spelling of 56250857 in words is "fifty-six million, two hundred fifty thousand, eight hundred fifty-seven".