57643135 has 16 divisors (see below), whose sum is σ = 75699360. Its totient is φ = 41789440.

The previous prime is 57643133. The next prime is 57643153. The reversal of 57643135 is 53134675.

It is not a de Polignac number, because 57643135 - 2¹ = 57643133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57643135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57643133) 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 15 ways as a sum of consecutive naturals, for example, 17931 + ... + 20899.

It is an arithmetic number, because the mean of its divisors is an integer number (4731210).

Almost surely, 2^57643135 is an apocalyptic number.

57643135 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

57643135 is a deficient number, since it is larger than the sum of its proper divisors (18056225).

57643135 is a wasteful number, since it uses less digits than its factorization.

57643135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3338.

The product of its digits is 37800, while the sum is 34.

The square root of 57643135 is about 7592.3076202167. The cubic root of 57643135 is about 386.2921334557.

The spelling of 57643135 in words is "fifty-seven million, six hundred forty-three thousand, one hundred thirty-five".