57811063 has 4 divisors (see below), whose sum is σ = 59675968. Its totient is φ = 55946160.

The previous prime is 57811051. The next prime is 57811069. The reversal of 57811063 is 36011875.

57811063 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57811063 - 2⁵ = 57811031 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 1864873 = 57811063 / (5 + 7 + 8 + 1 + 1 + 0 + 6 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57811069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 932406 + ... + 932467.

It is an arithmetic number, because the mean of its divisors is an integer number (14918992).

Almost surely, 2^57811063 is an apocalyptic number.

57811063 is a deficient number, since it is larger than the sum of its proper divisors (1864905).

57811063 is a wasteful number, since it uses less digits than its factorization.

57811063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1864904.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 57811063 is about 7603.3586657477. The cubic root of 57811063 is about 386.6668896980. Note that the first 3 decimals are identical.

The spelling of 57811063 in words is "fifty-seven million, eight hundred eleven thousand, sixty-three".