57040863 has 8 divisors (see below), whose sum is σ = 82968576. Its totient is φ = 34570200.

The previous prime is 57040859. The next prime is 57040873. The reversal of 57040863 is 36804075.

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

It is not a de Polignac number, because 57040863 - 2² = 57040859 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 1728511 = 57040863 / (5 + 7 + 0 + 4 + 0 + 8 + 6 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57040843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 864223 + ... + 864288.

It is an arithmetic number, because the mean of its divisors is an integer number (10371072).

Almost surely, 2^57040863 is an apocalyptic number.

57040863 is a deficient number, since it is larger than the sum of its proper divisors (25927713).

57040863 is a wasteful number, since it uses less digits than its factorization.

57040863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728525.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 57040863 is about 7552.5401687115. The cubic root of 57040863 is about 384.9420568334.

The spelling of 57040863 in words is "fifty-seven million, forty thousand, eight hundred sixty-three".