57143353 has 4 divisors (see below), whose sum is σ = 57183220. Its totient is φ = 57103488.

The previous prime is 57143351. The next prime is 57143363. The reversal of 57143353 is 35334175.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3736489 + 53406864 = 1933^2 + 7308^2 .

It is a cyclic number.

It is not a de Polignac number, because 57143353 - 2¹ = 57143351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57143351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17700 + ... + 20677.

It is an arithmetic number, because the mean of its divisors is an integer number (14295805).

Almost surely, 2^57143353 is an apocalyptic number.

It is an amenable number.

57143353 is a deficient number, since it is larger than the sum of its proper divisors (39867).

57143353 is a wasteful number, since it uses less digits than its factorization.

57143353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39866.

The product of its digits is 18900, while the sum is 31.

The square root of 57143353 is about 7559.3222579805. The cubic root of 57143353 is about 385.1724712158.

The spelling of 57143353 in words is "fifty-seven million, one hundred forty-three thousand, three hundred fifty-three".