57641783 has 4 divisors (see below), whose sum is σ = 57658920. Its totient is φ = 57624648.

The previous prime is 57641737. The next prime is 57641789. The reversal of 57641783 is 38714675.

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 57641783 - 2¹⁶ = 57576247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57641783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57641789) 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, 1673 + ... + 10866.

It is an arithmetic number, because the mean of its divisors is an integer number (14414730).

Almost surely, 2^57641783 is an apocalyptic number.

57641783 is a deficient number, since it is larger than the sum of its proper divisors (17137).

57641783 is a wasteful number, since it uses less digits than its factorization.

57641783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17136.

The product of its digits is 141120, while the sum is 41.

The square root of 57641783 is about 7592.2185822064. The cubic root of 57641783 is about 386.2891133155.

The spelling of 57641783 in words is "fifty-seven million, six hundred forty-one thousand, seven hundred eighty-three".